Babe Ruth, n. — Green’s Dictionary of Slang

Babe Ruth n.

[rhy. sl.; ult. US baseball star George Herman ‘Babe’ Ruth (1895–1948)]

1. (N.Z. prison) the truth.

1982		G. Newbold Big Huey 244: babe ruth (n) Truth.
1999		D. Looser ‘Boob Jargon’ in NZEJ 13 27: babe ruth n.The truth — rhyming slang.
2001		D. Looser Boobslang [U. Canterbury D.Phil. thesis] 10/1: Babe Ruth n. 1 truth: 'Give us the Babe Ruth, mate.' [.

2. (N.Z. prison) the Truth magazine pub. 1906-88, then New Truth & TV Extra.

2001

D. Looser Boobslang [U. Canterbury D.Phil. thesis] 10/1: 2 Truth, a New Zealand tabloid newspaper (1906-).