pop a cap
To fire a gun, usually at someone.
Refers to the fact that guns fire when the trigger is pulled and causes a firing pin to literally "pop" an explosive cap attached to the end of a bullet, causing the bullet to spiral out of the grooved barrel at tremendous speed.
Synonyms for pop a cap
On this page, you will find 30 slang terms related to pop a cap. Some of the top words include: Shoot, Warning Shot, lick a shot, pop, break you off somethin, and 25 more.