1 definition by suppcutie

Top Definition
A guy who is a love interest, but not necessarily anything official. Someone who a girl is casually dating, hooking up with, seeing or mutually flirting with.

A nicer term for a butt-buddy.

Possibly the origin of "boo"?
So liz, hows your beau doing?
by suppcutie November 15, 2007

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