Top definition
A person who pretends to be, or at least tries to implies being, bisexual in order to get scene cred or otherwise be fashionable.
Maybe Rachel should try to hook up with Kimmie.

Kimmie? Are you kidding me? She isn't really into girls...just a total fashion bi.
by Doug Fo July 11, 2013
Get the mug
Get a Fashion Bi mug for your father Abdul.