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5.
Dj Statik, the king busta of bustas. total sucka for ril
A dj who has never scratched on any song he's ever produced
by info March 15, 2005
 
1.
chump. sucker. uncool person.
"What are you hangin' wit this BUSTER for, man?"
by Reggie June 24, 2004
 
2.
A person that always has to ruin the fun out of everything. A kill-joy.
Are you down with the drive-by CJ? Man, quit being a busta!
by Shadow November 10, 2004
 
3.
Ghetto usage:
One who destroys the moment, usually ending an enjoyable event causing negative results.

Also, some drug-related reference:
interupting an act which may be illegal, sometimes alerting the police or officials to it ('drug'-bust).
"he's a real bust, don't invite him next time!"
"hey, busta, can't you just let us 'roll one' wid' out spookin us, foh a change!?"
by luxuryluke May 02, 2005
 
4.
Person who doesn't make good on their plans; who cancels at the last minute.
We've had these plans for three weeks, but Cindy canceled. She's a busta.
by jack January 14, 2005