Green’s Dictionary of Slang

(Aus.) a drinker of methylated spirits.

1977		in K. Gilbert Living Black 93: My uncle was a goomee and when he died it really broke me up.
1982		Sydney Morning Herald 3 July 29: Musgrave Park [in Brisbane] is also the home of the drones, or the goomies, a word used by the Aborigines themselves for a homeless black, and by the whites in a derogatory sense for a metho-drinker [GAW4].