Green’s Dictionary of Slang

1. a lesbian.

1965		Guild Dict. Homosexual Terms 27: lezzy (n.): Lesbian. (Rare.).
1969		in E. Cray Erotic Muse (1992) 373: On the seventh day of finals my true love gave to me, / Seven lezzies licking, / Six scrotums swinging, / Five motherfuckers, / Four cocksuckers, Three French ticklers / Two brass balls / And a hand job in a pear tree.
1971		T. Whitmore Memphis-Nam-Sweden 100: He was really socking it to that lessie.
1972		R. Barrett Lovomaniacs (1973) 332: She and the lezzie were moving in together.
1975		J. Roe The Same Old Grind 120: ‘You sure you are a broad and not one of them lezzes?’.
1977		(con. 1949) J.G. Dunne True Confessions (1979) 310: You got something else we could fill up the time with? [...] Besides a lot of dirty talk about lezees.
1981		Burbridge & Walters Breaking the Silence 54: Well, you’re a fucking lesie, aren’t you?
1997		L. Pettiway Workin’ It 221: So I define myself as a lezzie.
2005		H. Mantel Beyond Black 264: I always thought you were a bit of a lezzie.
2005		P. Temple Broken Shore (2007) [ebook] Teachers in the main, your lessies.
2009		P. Temple Truth 214: The lezzies got chooks. I give em some vegies.

2. a term of abuse for an unpopular individual, esp. juv.; the inference is of homosexuality.

1972		T. O’Brien If I Die in a Combat Zone (1980) 49: You afraid to be in the war, a goddamn pussy, a goddam lezzie?
1999		Indep. Education 8 July 2: Terms used abusively range from ‘gay’ and ‘lezzie’ to the more aggressive ‘battyman’, ‘bender’, and ‘bum boy’.
2000		Guardian G2 2 Feb. 8: Somehow, among young people, words like ‘poof’ or ‘lezzie’ have become generic terms of abuse used against absolutely anybody who is a little bit different.