Green’s Dictionary of Slang

Germaine Greer n.

(Aus.) a beer.

1998		‘World of Pub’ BBC Mar. [radio script] The Germaine Greers are on me.
1999		Indep. on Sun. Rev. 14 Nov. 7: You know that Germaine Greer is now rhyming slang for beer in Australia? [...] They just say, ‘It’s your turn to get the Germaines in’.
2002		Pete’s Aussie Sl. Home Page 🌐 Germaine Greer: a beer.