bust your ass

bust (one's) ass

1. rude slang (acting upon oneself) To exert a significant amount of energy or work very hard to do, accomplish, or complete something. I've been busting my ass all night long to get this presentation ready for tomorrow's meeting. She's going to have to bust her ass if she wants a place on the varsity team.
2. rude slang (acting upon someone else) To harass, nag, or upbraid someone to do, accomplish, or complete something. The boss is busting everyone's ass to get the project ready by next week. Quit busting my ass! I'll get it done eventually!
See also: ass, bust

bust your ass

try very hard to do something.
See also: ass, bust

bust your ˈass/ˈballs/ˈbutt/ˈhump

(American English, taboo, slang) make a very great effort: I bust my ass to get that job.I’ve been busting my hump for the last week trying to get the project finished.
See also: ass, ball, bust, butt, hump
References in periodicals archive ?
But at a minimum, you should bust your ass every day.
We see you bust your ass to make it, but on the day of the Emmys you get a call saying she's decided to wear something else.
You've got to be willing to go the extra mile and bust your ass and don't let nobody ever tell you that you can't do what you want to do.
Having to turn up, even after winning, and bust your ass every day in training to make sure you got selected was definitely a big kick for me.