I smell cap basically means you know someone’s lying. This comes from the saying no cap, which means “no lie” or “for real”.
Girl: “I promise I’m not sleeping with anyone.” Guy: “I smell cap.”
by LEG24 November 20, 2019
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When you can tell a nigga cappin, ie exaggerating or lying. A whiff of cap is like a strong wet fart, you aint gonna miss it.
by Okmrsaucelord November 20, 2019
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When you detect that someone is a liar.
Friend: Did you go water sporting with Jessica last night?
Me: No.
Friend: I smell cap.
by N0VALI0N November 19, 2019
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1. Danny said he fucked ms.Richards
2. I smell cap Danny would never fuck a female he’s gay
by B1th November 20, 2019
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When you think that someone is bluffing is about a certain thing they say they're about to do
For example that nibba Jaylin said he was gonna cuff someone but I told him I smell cap from him
by capsmellersupreme November 8, 2018
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When you know somebody is lying but you don’t actually want to say they are to prevent getting beat up
Brian: I heard Lisa’s boobies got bigger

Jack: I smell cap
by ImNotCappingBro November 19, 2019
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