Green’s Dictionary of Slang

(Aus.) a lesbian; also attrib.

1941		Baker Popular Dict. Aus. Sl. 43: Lezo, a lesbian.
a.1950		S.J. Baker Papers Mitchell Lib. MS 165 Box 3 File 3 Aussie’s poofters, queans & homos / With her lezos, pros and chromos.
1966		Trimble 5000 Adult Sex Words and Phrases 121: leslie or lessie or lezo (Sl.) n. & adj. Homosexual, in the female sense; Lesbian.
1978		L. Horsphol Turn Down Empty Glass 126: ‘I know your running a drum and a sly-grog shop for poofters, lesos and niggers’ [Simes:DLSS].
1985		B. Humphries Traveller’s Tool 20: I’d be a mug if I didn’t admit that we’ve got our fair share of lezzos in Australia.
1985		‘Thommo’ Dict. Aus. Swearing & Sex Sayings 79: LESO — Abreviation for lesbian.
1994		P. Corris Casino 125: ‘[S]ome nutty flower power bitch who’s probably a lezzo anyway’.
2003		McGill Reed Dict. of N.Z. Sl. 127: lezo/lezzo A lesbian. ANZ c1925.
2007		J. Sauers Sex Lives Austral. Teenagers 346: ‘I felt great fucking someone I didn’t know and seeing my gf being leso’ .
2010		L. Redhead Thrill City [ebook] Five hundred if you want the whole lezzo shebang.
2012		A. Prentice ‘The Break’ in Crime Factory: Hard Labour [ebook] So you hang with the lesos, Munro? Sort of makes you a male fag hag.