/ Dictionary / Index D duck's ass: Meaning and Definition of Find definitions for: duck's' ass' Pronunciation: [key] — Slang (vulgar) Slang (vulgar). DA. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ducks and drakes duck soup Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language