/ Dictionary / Index W whooper: Meaning and Definition of Find definitions for: whoop•er Pronunciation: (h'pur, hw'-, w'-), [key] — n. a person or thing that whoops. See See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: whooper (Thesaurus) whoopee cushion whooper swan Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language