Green’s Dictionary of Slang

a lesbian, opposite of omee-polone n.

1962		R. Hauser Homosexual Society Appendix 3 167: Polone-homi, Lesbians.
1972		B. Rodgers Queens’ Vernacular 70: Any gay woman [...] polone-homi (Brit gay sl fr Parlyaree // It pollone = sprout or // Sp polio = chicken; cf sl pullet = young lassie & It uomo = man).
2019		P. Baker Fabulosa 296/1: palone-omee a lesbian .
2023		R. Milward Man-Eating Typewriter 17: ‘Ladies and gentlemen, omi-palones and palone-omis’.