Adolescent male who uses the word "gay" as an adjective meaning "lame".
Those baggy-ass, Eminem-spewing white wannabees think they're gangstas, but they're just garden-variety gaysters.
by Trixie Sterling March 1, 2006
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Someone who is acting stupid, or Being "Gay" Therefore he/she is a Gayster.
Person 1: Hey lets Party tonight?

Person 2: Naw, i gotta do my Homework...

Person 1: dude, ur such a Gayster!!
by Khan530 November 28, 2007
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A young/old individual who is trying to act gangster (and/or says that they are gangster) but instead ends up acting/sounding extremely gay, and preposterous.
Foolio:
"Oh! I'm so gangzzta! Yo, I'm like dee bomb digity, if ya'll know wut I meeeen! Hehehe! Cuz I'm gangster layyk dat!"

Smart-ass:
"No, you're not a gangster, you're a gayster."
by Bob Marley's Girl November 4, 2009
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why does he always act so gayster?
by Joe Arcarola October 3, 2003
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Guys who wear pink. It is gay.
the man in the pink shirt is a gayster.
by tomakasi September 10, 2005
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