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1.
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 13, 2011

Words related to gankashanka

gangbanger gank ganked murder shank shanked steal
 
2.
a random word i just made up.
GANKASHANKA!!!!! GANKAFUCKINGSHAnKA!!!!!!!!!!!!!! OH YES!
by Fealiks April 21, 2005