Wiktionary
bulldust
n. 1 (context Australia English) Fine red dust, found in desert regions of Australia. 2 (context Australia slang English) nonsense; blatantly false statements.
Usage examples of "bulldust".
We hit the bulldust in less than a mile, the Land-Rover sliding and slithering on the fine-ground surface, bucking across the truck ruts like a boat in a lumpy sea.
Westrop when I ran into my first stretch of bulldust and almost lost control, no feel to the steering, the back tyres spinning and the car lurching wildly.