Top Definition
It's a shorten term for "Lesbian Radar", for those people who can't really tell if men are homosexual but can definitely tell when a woman is a lesbian.
Michael: "Yeah, I'd try something but she's a lesbian."

Nathan: "How could you possibly know that?"

Michael: "Believe me man, I just know, my lesbiandar is amazing."
by WerewolfByDay March 12, 2011

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