3
separation or dissolution, as of a marriage or a close friendship.
Friend 1: Me and Tori got into an argument last night
Friend 2: Oh yeah? Did you guys Bustup?
by hallucinate May 31, 2010
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5
Opposite of bustdown.

A female that elevates your status, instead of bringing it down like a bustdown.
Yeah, before all he was getting was bustdowns and now I guess all you need is one bustup and you get a range rover.
by pseudonymforbetterthanyou February 09, 2011
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