bust-ups bust a intestine bust up bust your butt/chops/hump bust anything up boom and bust bust your ass (performing some thing/to do something) bust your butt/chops/hump (carrying out some thing/to try and do anything) bust your chops/butt/hump (doing a little something/to do some thing) bust your hump/butt/chops (performing a thing/to do a thing)