bust1 past tense and past participle bust British English also busted especially American English [transitive]
to break something:
I bust my watch this morning.
Tony busted the door down.
if the police bust someone, they charge them with a crime:
He was busted by U.S. inspectors at the border.
if the police bust a place, they go into it to look for something illegal:
Federal agents busted several money-exchange businesses.
to try extremely hard to do something:
try hardinformal also bust your butt/ass American English spoken
I bust a gut trying to finish that work on time.
to use too much money, so that a business etc must stop operating:
moneyAmerican English informal
The trip to Spain will probably bust our budget.
used with nouns to show that a situation is being ended or an activity is being stopped:
used to say that you will try very hard to go somewhere or do something:
Idaho or bust!
to give someone a lower military rank as a punishment [= demote]
militaryPM especially American English
bust outphrasal verb
bust upphrasal verb
1 British English
if people bust up, they end their relationship or friendship [= break up]: ➔ bust-up (1)
They bust up after six years of marriage.
to prevent an illegal activity or bad situation from continuing [= break up]:
A couple of teachers stepped in to bust up the fight.
to damage or break something:
bust something ↔ upAmerican English
A bunch of bikers busted up the bar.
4 American English
to start laughing a lot [= crack up]:
Elaine busted up laughing at the sight of him.