Top Definition
a hand movement which u can use for a drinking game, to annoy people when doing it in their face or just to piss about and have fun with
make a spider with ur hand, turn it upside down, then clench and un-clench ur hand as fast as u can..

u need to say JOOBERUM while doing it, adds to the effect
by kiffy1990 January 28, 2010

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