Meaning

noun (slang) offensive term for a lesbian who is noticeably masculine

adjective used of men; markedly masculine in appearance or manner

adjective (of male or female homosexuals) characterized by stereotypically male traits or appearance

originOriginally, it was probably used as an abbreviation of butcher. Later, in the 1940s, the sense of “masculine lesbian” developed.

Etymology from Wiktionary, CC BY-SA 3.0