bulldust /ˈbʊldʌst/ noun2 •(Australia) Fine red dust, found in desert regions of Australia.Road trains are over 50 m long when towing three trailers. On dirt roads, they trail a blinding cloud of bulldust and window smashing, fist-size stones. — 2007 •(Australia, slang) Nonsense; blatantly false statements.She was told some bulldust. The same bulldust they tell any dickhead willing to part with money: that she'd be rich one day and live to a ripe old age. — 1991