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An unattractive person who becomes homosexual after repeated failure to copulate with members of the opposite sex.
Gay by default.
See Pam St Clement.
Dave: Say Mike, you haven't been getting much action recently.
Mike: I know. I'm thinking of gayfaulting.

Dave: Holy shit look at that girl with the sideburns and the tattoo of Cheryl Crow on her neck.
Mike: Yeah she is definitely gayfault.
by Wittip April 26, 2007
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