Complaint Of Patient Data C. ISTG is an acronym that stands for “I Swear To God”. . This phrase is often used to express frustration or exasperation with a situation or to emphasize the sincerity of a statement. " “ISTG” meaning over text message. IYKYK meaning: if you know, you know. Definition of ISTG in Slang/Internet Slang. ”. More violent then just I Swear To God Learn what ISTG means in this quick and easy guide! Find out what the abbreviation stands for and how to use it in real life with this simple explanation. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. ISTG has multiple definitions that can be used in various settings. This expression is used to emphasize the truthfulness or seriousness of a statement. The media could not be loaded, either because the server or network failed or because the format is not supported. Expand Your Lexicon: Discover 5+ Similar Words for ISTFG When it comes to texting, understanding similar. One such popular slang on platforms like Snapchat is ‘ISTG’. ILYSM can be used to express profound affection. ISTFG, I can’t believe she actually said that to me. Definition of ISTG in Slang/Internet Slang. It is typically used to show appreciation of an act of kindness by a loved one. 4. Meaning. For example, if someone decides to message you with insulting comments about your hair, then you might reply with "STFU. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness. So, the next time you see someone using “istg” in a message or post, you’ll know exactly what they mean. ABC – This doesn’t stand for anything. This is a casual phrase that many people use both online and in real life (imagine someone exclaiming “I swear to God!” when they’re frustrated or emphasizing a point). 1 definitions of ISTG. Get all the news you need in your inbox each morning. ISTG can be used to express extreme seriousness, anger, or surprise, and is usually used outside of serious religious contexts. I’m beyond shocked. STFU is an acronym that means "shut the fuck up. The “baby” part of the phrase isn’t a literal reference to a child, and. GTFO can be used to express disbelief or displeasure. What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. Whenever a TikTok user opens their app, they are directed to their For You Page, which is a stream of videos that TikTok thinks that user will like. In texting lingo, “istg” simply stands for “I Swear To God”. This should not be used in any formal setting, no matter how informal it may seem, via social media or text. Page ContentsWhat Is ISTG Meaning1. Sub the Gamer security threat group. STG: You can swear to god when you are frustrated or in exacerbation. 2006)Texting with friends is the best way to use this term. The origin of ‘ISTG’ can be traced back to the phrase “I swear to God,” which. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious context. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. What does OTP mean in texting? “OTP” means “one true pair/pairing,” according to Merriam-Webster. 2. It can often. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. You might learn your child is using this slang term by chance when a text pops up on the phone screen. By swearing to God, you make a sacred oath that most people respect more and therefore, are more. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. The Meaning of ISTG in Text. U Jelly has become a very popular expression, and because of its viral spreading nature, it has achieved meme status. Promise. STG means different things to different people but its most common meaning is ‘Swear To God’. Also, Check What Does SNM Mean In Texting? What Does ISTG Mean and How Is It Used in Real Context? The use of shortened phrases is a popular way to communicate in text messages and online conversations. ISTG Meaning= ThreatUse Cases & Examples. What does LFG ð mean? LFG as “let’s freaking go” has since become widespread in texts among friends as a way to excite or “hype up” one another about a particular event or situation. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. OTP meaning: one true pairing (a couple that fans prefer to all other. It’s an acronym that people use to express the seriousness of a situation or to emphasize that they are not joking. suggest new definition. What does istg mean in text. ”. Testify. ISTFG. FOMO meaning: the fear of missing out. It's not typically used in a religious context. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. ”. " The abbreviation ILYSM is used with the meaning "I Love You So Much" as an expression of affection. It may sound like a new term to some, but this one is very familiar to social media users. It can be a powerful tool for self-motivation and encouragement. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. ISTG Unveiled: Introduction to the Slang. ONB is an abbreviation commonly used in texting, which stands for “Oh No Baby”. It could be used to show how excited they are or to express. Start the day smarter. "I swear to. – What does istg Mean in Text – ISTG is a popular online abbreviation among today’s youth. What does ISTG mean in the text? Ans. In contrast to standard text or audio messaging apps, Snapchat offers the unique ability to share fleeting live video messages that vanish as soon as they are. Here's what this versatile slang term means and how you can use it in your messages and social media posts. . Use Cases & Examples. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. You can use it to show your deep frustration, attest to the truth of something, or underline your beliefs. Alternatively, you might say ISTG to show exasperation or frustration at something someone is telling you. ISTG is an acronym that means I swear to God. This phrase has a couple of variants, S2G and ISTG, and is frequently used in texting or on social media. ISTG is an internet slang initialism that conveys earnestness, annoyance, or surprise. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. " It is an internet acronym used in online chat to express frustration, surprise, or vehement assertion. What Does ISTG Mean? Introduction. The phrase “so what” is often used to express indifference or dismissiveness about the topic at hand. ” It is commonly used in text messaging and online chat to emphasize the truth or sincerity of a statement. Person1: I'm so exhausted. It is commonly employed in informal chats, videos, and posts to show seriousness and truthfulness. ISTFG, if you don’t stop playing your music so loudly, I’m going to lose it. But while the slang term ISTG is harmless, other teenage slang terms could indicate that your teen is talking about risky behaviors or communicating with potentially dangerous people. Every TikTok user's FYP. ”. This expression is most likely something you've heard in ordinary conversation. Essentially, ISTG is a shortcut way of saying "I. Jamie Grill / Getty. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. I just won the jackpot on the lottery ticket I bought yesterday, ISTFG! 5. It is an expression used to emphasize the truthfulness or sincerity of a statement. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. In summary, ISTG is an acronym widely used in informal online communication. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. ISTG stands for: I Swear To God. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. What does ISTG mean? ISTG means “I Swear To God”. What does STG mean?U Jelly is often used to goad someone online or in-person because you possess an article that they do not have, or because you have attained some kind of gamer achievement or minor online fame. ” Definition: Istfg is an acronym for “I swear to f Up. It is commonly used as an exclamation or interjection. This phrase can be used to swear truthfully without having to use a more serious swear word, such as the word "God". In a different context, “sw” can also mean “someone who. Having a parental control app on your child’s phone will give you. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. ISTG Meaning. It can be written in both lowercase “istg” and capital “ISTG” letters. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. What Does ISTG Mean In Texting? ISTG is an acronym used for “I Swear To God. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. This phrase is typically employed to express surprise, disbelief or concern over a given situation. ISTFG means “I Swear To Fing God,” a phrase used to emphasize sincerity or seriousness when making a statement. ISTG stands for I Swear To God. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. What Does Istg Mean? The acronym ISTG stands for “I swear to God. Today, I'll walk you through what ISTG means in text and other text. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. You will find information about the origin and other possible meanings in all types of information on this acronym, including its. This is a common acronym that is used online, typically in text-based communication. It is an acronym used to emphasize a belief in or commitment to the truth of a statement. The acronym ISTG is commonly used in text. ISTG. When someone doubts something you said, using ISTG is a way to make a solemn oath that most people respect and are more likely to believe. It can also be an expression of surprise or. It’s a direct and sometimes blunt way of communicating that the information just shared doesn’t impress, affect, or matter to the person asking “so what. TLDR meaning: too long; didn't read. If you see someone using ISTG when texting, they’re probably emphasizing how serious they are about something. ISTG Meaning= Threat3. ” It is often used to emphasise the truthfulness of a statement or convey the seriousness of a situation. ISTG is an abbreviation commonly used in text messaging and online communication, particularly among younger generations. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. Abbreviation of I Swear To Mother Fucking God. Correct: ISTG Correct: istg Incorrect: iSTG Usage Use of the abbreviation can be found in the following places. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. I swear to God. "I swear to. What Does ISTG Mean? ISTG is an acronym that stands for “I Swear to God”. Social media platforms: Snapchat, Instagram, Twitter, TikTok, and more. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. It can be used to convey sincerity, make promises, express annoyance, and more. It’s a widely used acronym in text messaging and online chatting on social networking sites. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. Throughout the years, a variety of terms have arisen which make it easier to communicate online. Prison gang. LFG meaning: let's freaking go. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. This initialism should be avoided in professional situations or in conversing with someone who is religious. "Meaning; ISTG: I Swear to God: ISTG: Immigrant Ships Transcribers Guild: ISTG: Information Storage Technology Group (University of Twente; Netherlands) ISTG: Inter-Site Topology Generator: ISTG: Implicit State Transition Graph: ISTG: Integrated Systems Tech Group (Tampa, FL) ISTG: Innovative Science and Technology Group (est. This is a group of teachers that are more than friends. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. When used in text conversations, ISTG retains its original meaning of “I swear to God. It is a reference to swearing or commitment to God that is not something to take lightly as it is a risk that the person who is saying it could be punished in the event of lying. I swear to fucking god. It is often used in informal conversations, especially when expressing frustration or disbelief. It could be used to define the frustration or annoyance you might have towards something or somebody. ISTG Meaning. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages, social media posts, and online forums. ISTG. Clear Of Patient Diagnosis B. ISTG meaning is “I Swear To God” and is one of the most widely used acronyms in the English language. It’s similar to the term ‘ONG. ” How to understand Texting Abbreviations!! LOL and LMAO, SMH, FFS… and all the other ISTG Meaning A short video summarzing the most common. 2. Usage: “Oh nice, you finally finished it! Welcome to the club B)” What does BB mean?What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. The ISTG definition includes a short acronym for a phrase that reads as ‘I Swear To God’. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. This is only for close friends. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. It's used express emotional sincerity or to seem intimidating. This. Since this is a very casual acronym, avoid using it in. ISTG is simply an acronym that means I swear to God. ISTG stands for "I Swear to God. TLDR meaning: too long; didn't read. Avoid using this abbreviation in business or professional settings because it is so casual. Similar to “I Swear To Fucking God” istfg, in that it is an escalation of the original term “I Swear To God” istg. Well, fret not – I’m here to help unravel the mystery for you. The ISTG acronym is commonly used in response to a person who doubts something that you said. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. ISTG Meaning= Expression of Disbelief4. The term is primarily used to emphasize a point you’re making and can reiterate anger or annoyance. This initialism should be avoided in professional situations or in conversing with someone who is religious. ISTG stands for “I swear to God” and is often used on Snapchat to emphasize a point or express strong emotion. " ISTG is used to add emphasis to a statement (usually a promise, threat, excuse or apology), or as an interjection which expresses surprise, skepticism or exasperation (similar to OMG ("Oh My God!") ). ” This abbreviation is commonly used in informal conversations on various digital. Pinky promise. "I swear to. I Swear to God. As in, I swear that actually happened. Overall, the acronym STG stands for “swear to God. ”. It is commonly used in text messaging to express the seriousness of a situation or to assure that a statement is not a joke. ”. In summary, ISTG is an acronym widely used in informal online communication. It comes from the courtroom oath that traditionally said, “i swear by almighty god that the evidence i shall give shall be the truth, the whole truth, and nothing but the truth. ”. ISTFG means “I Swear To Fing God” and is typically used in informal texting to express frustration or disbelief. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). B) used to be the symbol of a person wearing sunglasses with a smile on his face. This can be seen in phrases like: “ISTG, I’m always here for you” or “ISTG, I’ll never forget what you did for me”. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). This initialism should be avoided in professional situations or in conversing with someone who is religious. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. ISTG is an acronym used in texting, which stands for “I swear to God. Specifically, as internet usage is increasing daily, people. ISTG is a slang abbreviation used in online messaging and texting that means 'I swear to God. Istfg Meaning Is: Istfg stands for “I Swear to Fucking God. ETA meaning: estimated time of arrival. This is also very similar to. Capitalization The slang term and abbreviation “ISTG” is typically spelled in ALL CAPS or all lowercase letters. It’s often used as an exclamation or a way to emphasize something and can be written in lower or upper case letters. Confused about slang like cap, HB, ATP, and more? We defined some popular TikTok acronyms for you. What does ISTFG mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: ISTFG. ISTG is commonly used in text messages and other social media conversations as a way to emphasize the truth or sincerity of a statement. You’ll find it all over the internet, from social media platforms like twitter and instagram to direct messages between friends. Specifically, as internet usage is increasing daily,. Gunna explained that the ‘P’ stands for ‘player,’ although it can also stand for. It is a commonly used slang expression used to emphasize that someone is telling the truth, or to add emphasis to a statement. ISTJ types like to have clear goals and realistic deadlines, and to work with factual data to solve problems and monitor progress. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. Meaning. I swear to fucking god. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. “ISTG” stands for “I swear to God,” and it’s commonly used in texting to express the seriousness of a situation or to assure someone that you’re not joking when. Key Takeaways: ‘ISTG’ stands for “I Swear To God” and is commonly used in text messages and online chat. For example, three sample text messages using the abbreviation ISTFG could be: 1. Going deeper into its meaning, ISTG sounds quite similar to OMG ‘Oh My God!’. It represents an empathetic or mildly shocked response to unexpected news or events. What does Istg mean in text message . ISTG Meaning= Threat Use Cases & Examples. “I swear to God” is a common phrase that people use to show that they are telling the truth or to express their sincerity. ISTG is an acronym used for “I Swear To God. It’s also like STG. Let’s talk about the other meanings of this common abbreviation and find out what it means for different people in different contexts. The expression “I swear to God” is used for centuries and originates directly from the Old English word “swear” which means swearing. ”. This phrase should only be used in casual conversation. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious. ISTFG. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. ” Kids often use this to express frustration or exasperation. The abbreviation “ISTG” is a shorthand. ISTG stands for “I swear to God” in texts and on social media apps. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. It is used to express frustration, anger, or disbelief. FYP means For You Page. Read Also: What does CFS mean on Instagram? Common Uses for ISTG . Usually, students or the young generation use this acronym. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on. Use Cases & Examples. ISTG is short for "I swear to God. Like, "ISTG, if I get one more. " ISTG is used to add emphasis to a statement (usually a promise, threat,. Looking for online definition of ISTG or what ISTG stands for? ISTG is listed in the World's most authoritative dictionary of abbreviations and acronyms ISTG - What does ISTG stand for?Definition of the term. Chronic Osteomyelitis Pathology Degree Embed Share an image of ISTFG » Click to view: Hearing impaired tip:. ISTG can be used in various contexts and can have different implications depending on the conversation. ATP meaning: answer the phone. Guarantee. What does GM mean in text from a guy?What does df mean in texting? In the realm of texting and digital messaging, “df” usually stands for “da fuq”, a slang and casual form of saying “the fuck”. ISTG is used to express frustration or annoyance at something or to show emphasis on a statement. However, as with many other abbreviations meaning "I love you," it should not. It can be used to express emotions, surprise, or sudden kind of feelings. ”. ”. It is commonly. Annoyance and Assurance Another ISTG How to Use ISTG One of the hottest internet acronyms among today's teenagers is ISTG. While it may seem like a phrase that you would use in casual conversation, it can be so much more than that. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. The term comes from “shipping” within fandom culture. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. It can be used as an exclamation, where users are expressing disbelief or shock. This initialism should be avoided in professional situations or in conversing with someone who is religious. new search. Simply put,. ISTG and OMG can also be used interchangeably often. OFC meaning: of course. More violent then just I Swear To GodISTG is an acronym that is short for “I swear to God”. On the internet, there’s a lot of jargon and abbreviations that often confuse even the most seasoned internet user. The phrase was later. One of the known acronyms is “ISTG” or “istg”. In simple terms, “istg” stands for “I swear to God,” a popular expression used to emphasize the truthfulness or intensity of a statement. Here’s what this multifaceted slang term means and how you may. Simply put, “ISTG” stands for “ I swear to God . ” Origin of ISTG. They are there for each other on the good days and the bad days. Usually used after saying something ‘cool’. It can also be used as an expression of sincerity, such as when a user is making a promise or expressing their. Get all the news you need in your inbox each morning. It is a stronger version of the phrase “I swear”. "I swear to God" isn't just texting slang – it's used in everyday conversations to emphasize the truth at hand. ISTG is simply an acronym that means I swear to God. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. Usually, students or the young generation use this acronym. ”. IYKYK meaning: if you know, you know. ISTG stands for “I swear to God. HMU meaning: hit me up. " People use it in various places on the internet to tell someone to stop talking or as a gut reaction to something offensive or mean-spirited. IMO meaning: in my opinion. ’. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. This abbreviation is typically used to express surprise, confusion, disbelief, or. What Does ISTG Mean In Texting? Snapchat represents a real-time multimedia communication platform that takes a step beyond traditional messaging applications. The phrase originated as a method for people to express a greater level of certainty about a statement they’re making in a conversation. ”. For example, they might say “ISTG this homework sucks. ETA meaning: estimated time of arrival. What Does Istg Mean In Text? I swear to God ISTG means “I swear to God. ISTG Meaning= Honesty or Certainty2. It’s also like STG. ISTG Meaning What Does “ISTG” Stand For? If you’ve ever seen “ISTG” in a text message or on social media, you might be wondering what it means. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages,. A very dramatic phrase to be used only in exceptional circumstances. ”. ISTFG. Chronic Obstructive Pulmonary Disease D. Swear to fucking god. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. Here’s our round-up of the latest Roblox slang. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. ISTG is an acronym that is short for “I swear to God”. Origin of ISTG. It can be used to express emotions, surprise, or sudden kind of feelings. Pushin P is a popular phrase in the Bay Area and Texas that was popularized by Atlanta rapper Gunna. ILYSM means "I Love You So Much. 3. Start the day smarter. ISTG=Make a PromiseWhat Is ISTG Meaning in SlangIstg Slang Usage (Examples and Use Cases)ISTG Meaning on TikTokISTG Meaning SnapchatFAQs on ISTG Meaning1. ISTG Meaning. There needs to be a TikTok user manual that includes a glossary because new abbreviations and slang words are constantly being churned out and I, a millennial, cannot keep up. In conclusion, “ISTG” is an acronym that stands for “I swear to God. TikTok lingo is hard to keep up with. This is also very similar to. ABC means asking another player (or telling another player you’re ready) to make an offer, trade or perform a task in Roblox, such as roleplaying in a game. new search. What does B) mean? Back when emojis weren’t a thing, ‘emoticons’ were used to add more emotions to the text. This phrase is often used on social media while making public posts or in private chats. OFC meaning: of course. Today, I'll walk you through what ISTG means in text. One of the main uses of ISTG is in text messages or chats, either between friends or in a. By using “ISTG,” individuals can emphasize the sincerity or truthfulness of their statements, especially when sharing surprising facts or. I swear to f**king god (ISTFG) is an abbreviation used to express exasperation, disbelief, or agreement. When someone uses ISTG, they are essentially emphasizing. Even though the phrase includes “God,” its meaning and uses aren’t considered religious. ISTG is an acronym that stands for ‘I Swear To God. They prefer to work in traditional organisational environments, with people who take their. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. ISTG is often used in informal conversations, texting, and on social media platforms. HMU meaning: hit. It stands for “I swear to God. 查看翻译. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. For example: What does ISTG mean? ISTG is an acronym that means I swear to God. ISTFG. suggest new definition. Here's what "ISTG" means and how you can use it in your next text exchange. It's a close relative of the OMG (Oh My God). Some of these words and acronyms are used on other video games and social media platforms too. The texting term ISTG, which means "I Swear To God," tells people that you really do mean what you're saying. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. This phrase is used to emphasize the truth of a statement or assertion. Do you know what ISTG means in a text message? Watch this video to find out when to use ISTG in a text message and what it means!What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. I Swear to God. 1 definitions of ISTG. A. How Is ISTG Used? Use Cases & Examples. "I swear to. '. ” Origin of ISTG. STFG stands for Super Teacher Friends Group. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. It’s used to convey a deep sense of seriousness about a situation or to emphasize a point being made. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on social media. This acronym often highlights the sincerity, seriousness, or exasperation of the person using it. ISTG means I swear to God.