/ Dictionary / Index B bull dust: Meaning and Definition of Find definitions for: bull' dust" Pronunciation: [key] — Australian Slang. Australian Slang. nonsense; bull. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bulldozer bull dyke Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language