1 definition by Prizzin secks

During a well populated match of Zombie Attack on Garry's Mod, someone who tries to get past a human barricade while playing as one of the headcrab classes, yet fails and just gets in the way. Usually seen in packs of 5 or more.
Man, get the hell out of the way you failcrabs!
by Prizzin secks January 13, 2009
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