Green’s Dictionary of Slang

1. (Aus./US) a gaol.

1935		A.J. Pollock Und. Speaks.
1944		Maurer & Baker ‘“Aus.” Rhyming Argot’ in AS XIX:3.
1983		R. Aven-Bray Ridgey-Didge Oz Jack Lang 29: Ginger Ale [...] gaol.
1992		R. Puxley Cockney Rabbit.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.

2. (Aus./N.Z., also steak and ale) bail.

1935		A.J. Pollock Und. Speaks n.p.: Steak and ale, bail.
1967		‘Whisper All Aussie Dict.’ in Kings Cross Whisper (Sydney) xxxv 6/1: ginger ale: Bail.
1971		F. Hardy Outcasts of Foolgarah 76: ‘Yeh, and the legal-eagles are on out ginger’.
1992		R. Puxley Cockney Rabbit.

3. (Aus.) a tail.

1959		D’A Niland Big Smoke 54: ‘Is he getting on your ginger?’.
1983		R. Aven-Bray Ridgey-Didge Oz Jack Lang 29: Ginger Ale Tail.

4. (Aus.) the vagina [= tail n. (2)].

1968

J. Hibberd One of Nature’s Gentlemen (1976) 24: Bull: How’s your drink, Dolly? Dolly: Up to the mark. [...] Mousey: Right on the ginger, eh? B: (casting a foul look at M) He’s getting on my ginger. M: You haven’t got one. (D and M laugh) [Simes:DLSS].

5. (Aus.) the mail.

1983

R. Aven-Bray Ridgey-Didge Oz Jack Lang 29: Ginger Ale [...] mail.

6. (Aus.) the buttocks [= tail n. (1)].

1986

Col Elliot Live I [video] ‘And he’s standing behind me with them suppositories, you know, one at a time up me ginger’ [Simes:DLSS].