Top definition
A woman who is merely trying lesbianism on for size.
Melissa Etheridge: Definitely a lesbian.
Anne Heche: An "allegebian."
by JohnOB1 July 05, 2005
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2
A female who, when asked for a date (to dance, to have sex, etc) by a male she is not attracted to, she alleges that she is a lesbian in-order to give an excuse.
I asked this hot ass allegebian for a dance, but I guess she had a boyfriend.
by Andy Holman October 11, 2005
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