Green’s Dictionary of Slang

(Aus.) water.

1906		Sun. Times (Perth) 21 Oct. 4/7: [He] left a glittering specimen therefrom in a dish of water near his camp. An emu, perishing for a drink, happened along, and, after drinking the gabbie, gulped the specimen.
1908		E.G. Murphy ‘Them was the Days’ in Jarrahland Jingles 169: When water wasn’t fit to drink [...] I promise yer I was just IT [...] When up I brings me plumber’s kit, An’ gives ’em dinkum gabbie.
1941		Baker Popular Dict. Aus. Sl.