bust a cap in (someone's) ass

slang To murder or attempt to murder someone with a gun. If you don't get out of here right now, we're gonna bust a cap in your ass! They busted a cap in his ass when he began hurling racial slurs at them.

Common Names:

Name	Pronounced	Usage
Ivor	IE-vawr (English), EE-vawr (English)	Irish, Scottish, Welsh, English (British)
Urs	UWRS	German
Hagen (2)	-	Danish
Palle	-	Danish
Lacey	['leisi]
AndrÁS	AWN-drahsh	Hungarian