/ Dictionary / Index Y yum-yum: Meaning and Definition of Find definitions for: yum-yum Pronunciation: (yum'yum'), [key] — interj. (used to express enjoyment or satisfaction, esp. in the taste of food.) Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Yumpy Yungkia 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