/ Dictionary / Index E -eroo: Meaning and Definition of Find definitions for: -eroo Pronunciation: [key] a suffix that creates familiar, usually jocular variations of semantically more neutral nouns; normally added to monosyllabic bases, or merged with bases ending in -er: flopperoo; smackeroo; switcheroo. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Eroica Symphony* Eros Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language