pop a cap

The result of reverse-biasing an electrolytic capacitor. Consequences include but are not limited to an explosion of smoke, flame, and electrolytic goo complemented by a sharp "BANG."

Engineering Student A: "What smells like an electrical fire?"

Engineering Student B: "Dude, I think you put that capacitor in backwards."

"BANG."

Professor: "Did somebody just pop a cap in my lab?"

*Cue Students A and B snickering*

by StudFreeman February 17, 2014

pop a cap

Shoot a bullet at you.

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

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.

by dj_jammer506 February 7, 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__"

by Rockne Roll November 15, 2003

pop a cap

To shoot someone in the head

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

by D*Money September 20, 2006

popping the cap

slang for cirumcision

some religions make children pop the cap as soon as they are born.

by Gunkglumb May 24, 2005

pop a cap

to open a bottle cap with the genitilia of a female

I have popped a cap or two in my day.

by Charles of Wales October 12, 2003