The phrase “thick as thieves meaning in chat” often confuses people when they see it in texting, social media posts, or memes.
In modern digital communication, slang expressions evolve quickly, and this idiom is now widely used in casual conversations, especially among Gen Z and online communities.
This article breaks down the meaning of “thick as thieves,” how it is used in texting slang, its literal origin, and how it fits into today’s internet culture across platforms like TikTok, Instagram, and Discord.
What Does “Thick as Thieves” Mean in Chat?
In texting slang, “thick as thieves” means two or more people are extremely close friends who share a strong, trusting bond.
It describes people who are inseparable, always together, and often share secrets or private jokes.
In digital communication, it usually refers to a deep friendship rather than anything illegal or literal.
Literal Meaning of “Thick as Thieves”
Literally, the phrase “thick as thieves” is an old English idiom meaning two people are very close and loyal to each other, often to the point of secrecy.
Historically, it did not always have a positive tone it sometimes implied people were collaborating in secret or mischief.
The expression dates back to the 17th–19th century and was used in literature to describe tight bonds between people who trusted each other deeply, often even when others did not trust them.
Today, the meaning has softened and become more positive in everyday usage.
How Is “Thick as Thieves” Used as Slang Online?
On social media, “thick as thieves” has evolved into a friendship slang expression used to describe strong emotional bonds. It is commonly used in:
- texting slang between friends
- Instagram captions about best friends
- TikTok storytelling or memes
- Discord group chats
- Snapchat streak conversations
In Gen Z communication, the phrase carries a warm, emotional, and slightly playful tone. It can also be used humorously or ironically when two people are always seen together or acting overly synchronized.
It is a form of digital emotional slang that expresses loyalty, closeness, and shared experiences. Sometimes it is used sarcastically when two people are “too coordinated” or constantly plotting something harmless together.
Is “Thick as Thieves” Commonly Used in Texting?
The phrase is moderately common in texting and social media, but not as frequent as newer slang terms like “bestie vibes” or “ride or die.” It is more popular in:
- Instagram captions
- TikTok storytelling videos
- Twitter/X jokes
- friendship memes
While not the most viral Gen Z slang, it remains widely understood and occasionally resurfaces in trending posts due to its expressive and aesthetic tone.
Examples of “Thick as Thieves” in Text Messages
Here are realistic examples of how people use it in modern digital conversations:
Example 1:
- A: “Where are you guys again?”
- B: “Still together 😭 we’re thick as thieves fr”
Example 2:
- “Me and Sarah have been thick as thieves since middle school.”
Example 3 (Instagram caption):
- “Thick as thieves since day one 💕”
Example 4 (TikTok comment):
- “Y’all are literally thick as thieves, I love this duo”
Example 5 (Discord chat):
- “We’re not planning anything… we’re just thick as thieves 😂”
Example 6 (Snapchat):
- “Us = thick as thieves again tonight”
Example 7 (group chat humor):
- “Don’t trust them, they’re thick as thieves and definitely hiding snacks”
Example 8 (sarcastic use):
- “Oh great, those two are thick as thieves again 🙄”
These examples show how flexible the phrase is across casual digital communication.
Similar Slang Words or Expressions
Here are related slang expressions with similar meanings:
- “Ride or die” – extremely loyal friend or partner
- “Besties for life” – long-term close friendship
- “Two peas in a pod” – inseparable pair
- “Partner in crime” – friend you always do things with
- “Inseparable” – always together
- “Day one” – friend from the beginning
- “BFF energy” – strong friendship vibe
These expressions all share the theme of emotional closeness and social bonding in texting slang and internet culture.
“Thick as Thieves” vs Similar Terms (Comparison Section)
Thick as thieves vs Partner in crime
- “Thick as thieves” focuses on closeness and secrecy
- “Partner in crime” emphasizes shared actions or fun mischief
Thick as thieves vs Ride or die
- “Thick as thieves” is more friendship-based
- “Ride or die” often includes loyalty through hardship or relationships
Thick as thieves vs Two peas in a pod
- Both mean very close
- “Two peas in a pod” is softer and more innocent, while “thick as thieves” has a slightly edgier tone
Thick as thieves vs Best friends
- “Best friends” is straightforward
- “Thick as thieves” adds emotional intensity and personality
Is It Formal or Informal?
The phrase “thick as thieves” is strictly informal. It is commonly used in:
- Casual conversations
- Social media posts
- Text messaging
- Meme culture
- Online storytelling
It is not appropriate for academic writing, business communication, or professional emails. In formal contexts, simpler terms like “close friends” or “strong friendship” are preferred.
Frequently Asked Questions (FAQ)
1. Is “thick as thieves” Gen Z slang?
Yes, but it is not newly created Gen Z slang. It is an older idiom that has been adopted into modern Gen Z and social media language to describe close friendships in a stylish, expressive way.
2. What does “thick as thieves” mean in texting?
In texting, it means two people are extremely close friends who spend a lot of time together and share a strong bond, often inseparable in social situations or conversations.
3. Is “thick as thieves” trending on TikTok?
It occasionally trends on TikTok in friendship-related videos, but it is not a constant viral phrase. It often appears in captions or storytelling about best friends.
4. Can “thick as thieves” refer to a romantic couple?
Yes, sometimes it is used for couples who are very close and always together, but it more commonly describes friendships rather than romantic relationships.
5. Is “thick as thieves” sarcastic?
It can be used sarcastically when people jokingly imply two friends are always plotting something or being overly attached to each other.
6. Is it commonly used in texting?
It is moderately common. While not the newest slang, it is still widely understood and used in casual conversations and social media captions.
7. Is “thick as thieves” offensive?
No, it is not offensive in modern usage. The original phrase had mild negative connotations, but today it is mostly positive and friendly.
Quick Summary
- “Thick as thieves” means very close friends or inseparable people
- Originally an old English idiom with meanings of secrecy and closeness
- Now widely used in texting slang and social media expressions
- Common in captions, memes, and casual digital communication
- Always informal and not suitable for professional contexts
- Literal meaning differs from modern emotional slang usage
Final Thoughts
The phrase “thick as thieves” has transitioned from an old English idiom into a modern piece of internet slang used to describe deep friendship bonds.
In today’s digital communication landscape, it carries warmth, humor, and emotional connection, making it popular in texting, memes, and social media captions.
While not the newest Gen Z slang, it remains relevant because it effectively captures the feeling of being inseparable from someone.
As online language continues evolving, expressions like this continue bridging traditional language with modern internet culture in simple, expressive ways.

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