A woman who experimented with lesbianism when she was in college and has not had a relationship with a woman since.

A woman who thinks she is cool because she made out with a girl once in college.
Liz, stop flirting with Monica! You know you're just a Berkeley lesbian!

Ethan: "I would ask Bethany out, but I don't think she's into guys."
Tyler: "Dude, she will totally hook up with you. She's a Berkeley lesbian."
by maddogphysicist July 16, 2012
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