2
To ruin something.Or go out and have a great time!!
Hey man if you dont take this new job serious you'll fuck it up!.Or Hey bro'congrats on your new job or engagement lets go out tonight and fuck it up.(party hard,Look for a fight. meet chicks.Get drunk etc..
by pinche gavacho November 15, 2007
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3
When someone truely slays at life and they are being an absolute queen.
Yass girl you sang so well at the show last night. Fuck it up!!
by Caligirl976 May 14, 2018
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