"Being racist against Gay people"
or being homophobic, being discriminatory towards homosexuals and/or lesbians.
When Tommy didn't invite his gay friend to the cookout, he knew he was commiting an act of Gaycism.
by DoctorAwkward December 02, 2007
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Demeaning remarks toward an individual due to the fact that he/she is a homosexual.
Emma: Wow, Drew, I'm really surprised you caught that ball.
Drew: That's gaycism. Just because I'm gay doesn't mean I can't catch balls. Stop being gaycist, Emma.
Emma: You can't if they're not going in or around your mouth.
by MistaL8NiteLuda June 30, 2011
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