josher, n.² — Green’s Dictionary of Slang

josher n.²

[? josh v. or play on Suffolk dial. josh, an old cow]

(Aus.) an immoral old woman; a very lowly ranked prostitute who works in Hyde Park, Sydney.

1882		Sydney Sl. Dict. (2 edn) 5: Josher - An old depraved woman, a Park woman.
1941		Baker Popular Dict. Aus. Sl.