Gene Tunney, n. — Green’s Dictionary of Slang

Gene Tunney n.

also Gene Tunny

[rhy. sl.; ult. US boxer Gene Tunney (1898–1978)]

(Aus./N.Z.)

1. money.

1963		N.Z. Truth 21 May 19: I was caster for Gene Tunney, so I took a slapsie maxie [= taxi] to the course [DNZE].
1983		R. Aven-Bray Ridgey-Didge Oz Jack Lang 29: Gene Tunny Money.

2. a lavatory [dunny n.²].

1983

R. Aven-Bray Ridgey-Didge Oz Jack Lang 29: Gene Tunny [...] dunny.