Bust a cap 

To unload your gun on someone and ultimatley, kill them. A very popular activity in the ghetto.

Nigga 1: Hey you want some of dis sheeit?
Nigga 2: Ah, I don wan dat shit.
Nigga 1: I don give a fuck, I don't play that shit, and I'm about to bust a cap motha nigga.

Bust a cap by jakrel September 6, 2005

Bust A Cap 

Generally thought to mean shooting someone; often used in rap slang.

This is incorrect.

"Bust a cap" comes from 1890-1920 Irish gangs, in New York City. It referred to breaking someone's kneecaps.

MacDonald refused to pay tribute, we had to send our enforer Murphy down there to bust a cap.

Bust A Cap by VivaRedChe September 30, 2009

bust a cap 

To discharge a round of ammunition from a firearm, usually a handgun.

"Fuck wit me, and I'll bust a cap in yo ass, biatch!!"
"That fool was disrespectin' a brutha so I had to straight bust a cap in his ass!"

bust a cap by Street Shakespeare December 9, 2008

Bust a cap 

1. shooting somebody (usually with a handgun)
2. coming/climaxing in somebody

1. IMMA BUST A CAP IN YO ASS
2. IMMA BUST A CAP IN YO ASS

Bust a cap by biiiiiiiiitch! December 3, 2010

bust a cap 

(v.) for police officer to arrest headwear.

Okay Nikegolf cap, you're busted. Tiger ain't wearin' you no more.

bust a cap by Gumba Gumba May 20, 2004

Bust a cap 

Kick your ass, basically.

"Shut the fuck up fo' I bust a cap up yo ass."

Bust a cap by Taylor November 17, 2004

bust a cap 

mrs. walker and her first period class

(said while shaking a pen)if you guys arent quiet i will bust a cap

bust a cap by g-unit April 29, 2003