Green’s Dictionary of Slang

(Aus.) a camel.

1912		Bulletin (Sydney) 12 Sept. 17/1: Red blew the dust across the plain; / The mad-capped mirage shone; / He steered his hunchies home again – / But Kandal’s bride was gone!
1919		R.J. Cassidy Gipsy Road 58: To-day some of the best ‘hunchy’-persuaders in Never-Never Land are Australians.
1931		Lawson & Brereton H. Lawson 200: I went out west to the Camel Country, Back o’ Bourke, where turbaned Abdul Mahommed steers his ungainly lopsided ‘hunchies’ through the glittering sands [AND].