bust somebody's ass/balls/butt/hump

bust somebody’s ˈass/ˈballs/ˈbutt/ˈhump

(American English, taboo, slang) (also bust somebody’s ˈchops American English rather old-fashioned) criticize somebody in an angry or annoying way: Why are you always busting my balls?This guy keeps busting my chops about my smelly tennis sneakers. ▶ ˈball-buster noun
See also: ass, ball, bust, butt, hump