pop a cap 

Shoot a bullet at you.

Dog, I'm gonna pop a cap in yo ass!!

pop a cap by home boy September 14, 2003

Pop a cap 

To Shoot Someone, Usually In Their Bottom.

Word Nee-Gro, You Better Back Off Before I POP A CAP In Your Ass.

Pop a cap by dj_jammer506 February 6, 2005

pop a cap 

To discharge a firearm, usually a handgun.

"Fool, if you don't scram, I will pop a cap in your a__"

pop a cap by Rockne Roll November 14, 2003

pop a cap 

To shoot someone in the head

Nigga i gon pop a cap if ya keep followin me.

pop a cap by D*Money September 19, 2006

pop a cap 

to open a bottle cap with the genitilia of a female

I have popped a cap or two in my day.

pop a cap by Charles of Wales October 12, 2003

pop a cap 

to remove the cap from

strong bad's special power is popping the cap off of a cold one, or homestar's head.

pop a cap by Old Man bill July 13, 2003

Pop a cap 

Shoot a bullet

"I'm going to pop a cap in yo ass"

Pop a cap by ThisNameBetterNotBeTaken September 15, 2012