/ Dictionary / Index B ballup: Meaning and Definition of Find definitions for: ball•up Pronunciation: (bôl'up"), [key] — n. Slang. a state of confusion; mix-up. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ballup (Thesaurus) ball turning ball valve Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language