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1. pop a cap in yo ass
Ebonics for: "discharging a firearm into your body with the intent to cause grievous bodily harm"
nigga: yo son, you scuffed ma tims, imma pop a cap in yo ass

white man: ????

translator: he says because you have accidentally stepped on his costly Timberland footwear and caused small particles of debris to reside on said footwear, he will discharge a firearm into your body with the intent to cause grievous bodily harm

white man: :(
2. pop a cap in yo ass
a sentance a black person would use to warn someone that they are going to shoot someone
yo motha fucka back yo ass up 'fore i pop a cap in yo ass!
by sara gibson May 22, 2004 add a video
3. pop a cap in yo ass
(verb)1. To put a bullet in one, or shoot one.
"Quit frontin', bitch, or I'll pop a cap in yo ass."
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