Green’s Dictionary of Slang

hasbian n.

[SE has been + lesbian]

(US gay) a woman who used to be a lesbian but is now heterosexual.

R. Colker Hybrid: Bisexuals, Multiracials, and Other Misfits 21: The term ‘hasbian,’ [was] developed by the gay and lesbian community.
newyorkmetro.com 🌐 13 Feb. If the lipstick lesbian was the gay icon of the nineties, these days she’s been replaced by her more controversial counterpart, the hasbian: a woman who used to date women but now dates men [...] Caught up in the gay scene at school, they came out at 20 or 21 and now, five or ten years later, are finding themselves in the odd position of coming out all over again as heterosexuals.
www.rainbownetwork.com 27 June 🌐 So are ‘Yestergays’ and ‘Hasbians’ simply bisexuals who take a while to locate which side of the fence they prefer sitting on?