Green’s Dictionary of Slang

(Aus.) an Aborigine.

1955		N. Pulliam I Travelled a Lonely Land (1957) 229/1: The abo is sometimes called a blackfellow or binghi, burry or blackman, etc.
1972		K. Willey Tales of Big Country 170: Some Queenslanders still disparage Aborigines as ‘abos’ and ‘boories’.
1977		M. Tucker If Everyone Cared 50: Children are either pang pang gooks, or boories; their mothers are lerrooks; women, kring-krings.