1 definition by paparooey

a girl who hates gay guys because she went out with a guy for a long time and was dumped because the guy turned out to be gay. she now thinks every guy she sees is gay.

Tim: "hey man, you talked to Kat lately?"
Greg: "yeah, but she said she thinks im a gay."
Tim: "yeah she's become a huge gaycist."
by paparooey February 1, 2007
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