adjective: Bisexual and polyamorous or polygamous; having romantic or sexual relationships with multiple partners of both genders, or desirous of such.
Of or pertaining to the subculture of poly-bi people.
noun: A person who is bisexual and polyamorous or polygamous.
I met my girlfriend and her girlfriend at a Poly-Bi conference in New York.
Poly-bi male ISO other M and F poly-bis for LTR.