Cap” Meaning

“Cap” is slang that means “lie” or “false claim.” When someone says “That’s cap,” they’re saying, “That’s not true.”

In everyday life, you’ll hear it in chats or on social media when friends doubt a story. If your buddy claims he met a movie star at the store, another friend might reply, “Cap,” or “No cap?” asking, “Really?” People also type “cap 🧢” with the emoji to signal they think a post is exaggerated.

Meaning & Usage Examples

• “He said he made $5k in a day—cap.”
• “No cap, this burger is the best I’ve had.” (No cap = no lie)
• Tweet: “I’m 7 feet tall 🧢” → replies: “Cap.”

Context / Common Use

Mostly used by Gen Z and millennials on TikTok, Twitter, and in group chats. It’s casual, so you wouldn’t use it in work emails. Tone matters: playful among friends, sharper when calling someone out online.

Is “cap” the same as “lying”?

Yes, but “cap” is lighter slang. “Lie” sounds serious; “cap” keeps it casual or playful.

Can I use “cap” in writing?

Only in informal texts, DMs, or social posts. Avoid it in formal writing.