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Bastardization of gangster. Gankstar is used to refer to those who try to be gangsta, usually white kids from the suburbs. See also wigger. Can also be used as an exclaimation.
Christopher: Yo yo shorty you be lookin' mad fly dawg like hella tight yo!
Carl: What a gankstar, he thinks he's a pimp and the girls walk right by...

James: Holy shit, look what Carl did!
Jessica: Gankstar!
by KillerByte July 27, 2004
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