/ Dictionary / Index Y Yumpy: Meaning and Definition of Find definitions for: Yum•py Pronunciation: (yum'pē), [key] — pl. -pies. Yumpie. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Yumpie yum-yum Related Content Daily Word Quiz: rarefied Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language