TYB

Short for "that's your boyfriend." Said to another person after sighting a particularly horrifying-looking male.
(Some meathead walks by wearing a "No Fat Chicks" t-shirt, black socks, shorts, and a backwards baseball cap.)
Bonnie: "Hey Katie - TYB!"
Katie: "Shut up! Is not!"
by wedgegirl August 21, 2004
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