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1.
The act of being under the influence, and trying, yet failing to hide it. Symptoms include laughing, falling, falling while laughing, rolling, or anything else uncharacteristic of the one "fuckin up".
Sam: Guys, guys.... we should..... guys.... dang...
Urrybody: Sam, you fuckin up!
by BustaNinja August 08, 2011

Words related to Fuckin up

trippin