To bust someone's ass. To severely beat them in a particular activity. Often used when speaking about sports.
Damn, Chris Paul just hit another And 1. He is busting ass right now.
by packman889 April 24, 2011
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Dude, you'd better bust ass if you wanna finish that on time!
by Anonymous March 26, 2003
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N. Broken down, ragged, beat up, corny or ghetto (as referring to an object or article of clothing, most times a vehicle or sneakers)
"I have no idea why you would even bother putting a system in that busted-ass Tempo of yours. The shit is going to fall apart if you even try bumping a cd with some actual beats."
"Yo, what's with your busted-ass shoes? Them things are talkin to me! I'd recommend buying a new pair of sneaks REAL soon. Those things are about to give out any minute."

by Poke-a-loke January 6, 2009
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To bust ass is to fart. BUT if used with a possesive, it means to work hard.
Also often used with a possessive and immediately followed by an infinitive
I just busted ass and it smells real bad.

You better be busting your ass if you want to finish the job on schedule.

I was busting my ass to finish my homework on time.
by suckondeez May 14, 2003
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when one lets loose the mother of all farts, one with velocity.
"he busted some serious ass, the fucking windows shook!"
by honeylamb November 15, 2004
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when somebody lets out a disgustingly huge fart; this is usually announced.
"Whoa shit you guys! Back up! I'm about to bust ass"
by britt October 30, 2003
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To fall real hard on ones ass.
Leslie slipped and busted her ass
by Pea December 30, 2003
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