Busting Caps in Somebody's Ass Share definition Flag Used by gangstas it means "to shoot somebody" I'm gonna bust a cap in your ass bitch (fires gun) He's busting caps in somebody's ass fo sho Busting Caps in Somebody's Ass by Jorgepfan February 22, 2009 0 0 Get merch Get the Busting Caps in Somebody's Ass mug. Buy Now — $32.95 See more merch