/ Dictionary / Index B bull dyke: Meaning and Definition of Find definitions for: bull' dyke" Pronunciation: [key] — Slang (disparaging) Slang (disparaging). a lesbian who is notably masculine or assertive in manner or appearance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bull dust bullet Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language