1 definition by Tattybojangle

Top Definition
Someone who is attracted to both sexes, however can sometimes prefer one more so than the other but still feel attraction for the other sex.

A greedy person.
Guy 1- "That Sophie was amazing last night, mate!"

Guy 2- "Come on!"

Guy 3- "You do know she was at it with Laura a few nights ago as well right? She's bisexual."
by Tattybojangle April 15, 2010
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