Cap

"Cap" refers to a lie or an exaggeration. The phrase "No Cap" means something is true, commonly used in online conversations.

What does Cap mean? 

Cap is slang for a lie or an exaggeration. If someone says “that’s cap,” they’re calling a claim false. If they say “no cap,” they’re stressing that they’re telling the truth. This shows up in comments, captions, and quick replies across social apps.

Where did “Cap” come from? 

The slang grew within Black English and hip-hop communities. It moved into mainstream talk as lyrics, memes, and short video clips traveled across platforms. Over time it became a quick way to call out a lie or hype online.

You will see older uses that link “capping” with boasting. Newer use covers both lying and exaggerating. Once the phrase reached TikTok, Instagram, and X, it settled into everyday internet speech.

A quick glance of CAP’s origination:

  • Early use in music and community slang
  • Wider popularization through lyrics and memes
  • Normalized on major social platforms

How to use CAP in a sentence?

You can use these clean patterns. Each line shows cap as “lie,” and no cap as “no lie.”

PlatformExample line
TikTok“That story is cap.”
Instagram“Claiming he did it first? Big cap.”
X/Twitter“Stop capping about your stats.”
YouTube cmt“No edits here, no cap.”
Group chat“You said you sent it. That’s cap.”
Gaming“He said he soloed the boss. Cap.”

These examples cover the common uses of cap as a noun (“that’s cap”), a verb (“you’re capping”), and a modifier (“big cap”). They’re written to be brand safe.

How “Cap” is used on social media? 

  • Calling Out Lies: When people think someone is not being truthful, they’ll comment “Cap” or use it in replies. 
  • No Cap: This phrase is used to emphasize that something is truthful, like saying, “I’m serious. No Cap.” 
  • Memes: The term has gained a lot of popularity in meme culture, especially when calling out exaggerated or unrealistic claims. 

CAP vs NO CAP

Cap means a lie or exaggeration. No cap means “no lie,” used to add emphasis that something is true.

PhraseMeaningSample line
capa lie“That chart is cap.”
cappinglying“You’re capping about the views.”
no capno lie“This fix saved hours, no cap.”

CAP forms and common phrases

Writers use cap as a noun (“that’s cap”), a verb (“you’re capping”), and a modifier (“big cap”). The tone ranges from playful to sharp. In public posts, avoid dogpiling; call out the claim, not the person.

  • That’s cap: the claim is false
  • Stop capping: stop lying/ exaggeration
  • Big cap: obvious or major lie
  • No cap fr: truly, for real (extra emphasis)
  • All cap: everything said is untrue/exaggerated

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