Individuals that can't help but only be attracted to members of the opposite sex that are clearly homosexual.
Girl with reverse gay-dar: I am so in love with Michael!

Friend: Ah, you and your reverse gay-dar have done it again.

Girl with reverse gay-dar: Michael is not gay!

Friend: Yes he is; I know because I have gay-dar, unlike you.
by BananaDaiquirisAreGood July 9, 2010
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