A criminal-minded person who commits or has committed an armed mugging and murder with a knife or knife-like weapon. (i.e.- the bastard ganked your wallet and shanked your sorry ass.)
Stay away from Maurice, man--the dude's a damn gankashanka.
by Gadzoobles January 14, 2011
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GANKASHANKA!!!!! GANKAFUCKINGSHAnKA!!!!!!!!!!!!!! OH YES!
by Fealiks April 21, 2005
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