When a guy is slightly sexist, or biased, against women.
Jenny, "You're so sexist."
Mitch, " I'm only guyist for the superior gender, men."
by SuperSquare February 4, 2011
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An every man, a guys guy, a guy who knows things guys like.
Guy 1: That guy knows all the cool stuff.
Guy 2: Yeah, he's a guyist.
by Chucky Cee June 27, 2013
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