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When the night before a concert or big event, you get "pumped and crunk",meaning you drink energy drinks,stay up,"party hard",do stuff youll regret,ect.
Simply its a "before party".
Boy1:Yo dude,are you Pumped&Crunk before the Warped Tour tommorow?

Boy2:HELLZYEAH LETS GO DRINK SOME MORE MONSTER AND ROCKSTAR!!!oh yeah and bang some unattractive chicks!
by julietoncocaine April 05, 2008
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