/ Dictionary / Index W whoopee cushion: Meaning and Definition of Find definitions for: whoop'ee cush"ion Pronunciation: [key] a type of cushion or pillow used as a practical joke that, when sat upon, produces a loud noise resembling flatulence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whoopee whooper Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language