A term used in Hardcore.

When the song is about to go into a breakdown or enter a faster part, the singer yells BUST IT! (or bust, kick it, break, rip it, etc)

can also be used when talking about dancing to a hardcore band.
"BUST IT!"

"Man when Righteous Jams play I'm gonna bust it."
by xinyofacex August 28, 2005
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A phrase used in response to someone suggesting that you do something.
Dave: "Should I down this bottle of vodka, hold the last swallow in my mouth, smoke a cigarette through my nose, then jump in the pool and swim across underwater?"
John: "Bust it."

OR

Andy: "I know I've had a lot to drink, but that chick with the enormous fupa looks pretty hot, I think I'd enjoy licking her undercarriage."

John: "Bust it."

OR

John, holding up a full glass of beer: "Bust it?"

Kelly: "BUST IT."
by John Boy December 18, 2003
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To be busted by your significant other for staring at another woman's breasts.
by zooa November 03, 2003
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"NYC or bust!" (sometimes seen on signs held by hitchhikers in the days approaching New Years Eve).
by heavycrag May 06, 2009
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1. noun, A hot and heavy pursuit of nefarious activity.
2. proper noun, A name for someone who is about to committ said busty activity.
NOTE: This is the most versatile phrase or word in the UrbanDictionary. It can be used to describe such nefarious acts such as having sex, taking drugs or other acts that many in society may look down upon a person for. Committing such acts has been known to bring about paranoia in those with a guilty conscience and extreme pleasure in those without. This can also be used in general as 'a bust', as in "Let's go out a create a bust." One other use the adjective form which is 'busty', as in "That plan sounds a little busty."
1. That plan of Tyrone's is the bust. He is gonna get caught fo' shizzle my nizzle.
2. Man, that guy is The Bust! He has DEA written all over him. Stay away from him.
by Charlie White May 13, 2003
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1. To orgasm.
2. To shoot a gun.
3. To rap.
4. Punch someone in the muh' fuckin' melon.
5. Action taken in a car.
6. Police action.
1. I'm gonna bust a nut!
2. Bust a cap in his mark-ass!
3. Bust a rhyme foo'!
4. I'm'a bust your fuckin' grill out!
5. Bust a right at tha next corner.
6. Joey got busted for selling caps to an undercover po.
by Aintyo Bidness August 14, 2003
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(In drag) being unpolished or messy.
Gurl, her look tonight was busted.
by Loleeeeta September 19, 2016
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