1. rude slang 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 To harass, nag, or upbraid one 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!

3. rude slang To defeat one decisively. We weren't prepared for the game, and the other team busted our asses.

4. rude slang To physically attack one; to beat one up. I'll bust your ass if I ever see you talking to my girlfriend again.

5. rude slang To tease one; to give one a hard time. Aw, come on, dude, I was just busting your ass. No need to get upset about it.

1. vulgar slang (acting upon oneself) To exert a significant amount of energy to do, accomplish, or complete something, especially with great haste. I've been busting my balls all night long to get this presentation ready for tomorrow's meeting. She's going to have to bust her balls if she wants a place on the varsity team.

2. vulgar slang (acting upon someone else) To harass, nag, or upbraid someone to do, accomplish, or complete something. The boss is busting everyone's balls to get the project ready by next week. Quit busting my balls! I'll get it done eventually!

3. vulgar slang (acting upon someone else) To tease, ridicule, or mock someone, usually jocosely. Don't get so worked up, man, I'm just busting your balls. I like her family, but her uncle always busts my balls when we see him.

1. To exert a significant amount of energy in some task, activity, or goal; to work very hard. I've been busting my butt all night long to get this presentation ready for tomorrow's meeting. She's going to have to bust her butt if she wants a place on the varsity team.

2. To harass, nag, or upbraid someone to do, accomplish, or complete something. The boss is busting everyone's butt to get the project ready by next week. Quit busting my butt! I'll get it done eventually!

3. To defeat one decisively. We weren't prepared for the game, and the other team busted our butts.

4. To tease one; to give one a hard time. Aw, come on, dude, I was just busting your butt. No need to get upset about it.

1. (acting upon oneself) To exert a significant amount of energy to do, accomplish, or complete something, especially with great haste. I've been busting my hump all night long to get this presentation ready for tomorrow's meeting. She's going to have to bust her hump if she wants a place on the varsity team.

2. (acting upon someone else) To harass, nag, or upbraid someone to do, accomplish, or complete something. The boss is busting everyone's hump to get the project ready by next week. Quit busting my hump! I'll get it done eventually!