1 definition by kittykat85

Top Definition
The sixth sense, that most bisexuals have, that acts like radar and can detect another bisexual from across a crowded room.
Sasha felt so out of place at her cousin's birthday party because it was filled with nothing but couples. Then, all of a sudden, her bi-dar went off and she saw a cute, uncoupled person walking her way. (Maybe this party wouldn't be so bad after all!)
by kittykat85 February 03, 2010

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