Female exclusive bisexual or other m-spec female, a m-spec woman who chooses to only date women. Different from a lesbian because she still experiences attraction to men, she just doesn't pursue it. Short for "female-exclusive bisexual female". While it technically means a bisexual and m-spec woman who only dates other women, in practice it's almost exclusively used by transphobes (specifically TERFs) to mean a bisexual woman who will only date cis women and trans men. But the label still can be used in a non-terfy way.
This includes women who have been traumatized by men and don't want to date them anymore, women who are politically against closely associating with men, and women who are significantly more attracted to women and therefore wouldn't be happy with a man.
This label also can be seen as replacement for Bi-Lesbians and other m-spec lesbians.