Green’s Dictionary of Slang

(Aus.) Wentworth Park racecourse, Glebe, NSW.

1996

J. Byrell Lairs, Urgers & Coat-Tuggers 275: [T]he NCA is holding a celebrity race meeting along at Wenty Park [...] Now, even before he lobs at Wenty for the festivities, Casey is (to be euphemistic) a trifle tiddly.