/ Dictionary / Index C cutup: Meaning and Definition of Find definitions for: cut•up Pronunciation: (kut'up"), [key] — n. Informal. a prankster or show-off. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cutty stool cut-up poem Related Content Daily Word Quiz: laudable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language