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Meaning of -eroo

-eroo

Pronunciation: [key]
  1. 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.