'balls-up' definitions:

Definition of 'balls-up'

(from WordNet)
noun
Something badly botched or muddled [syn: ballup, balls- up, cockup, mess-up]

Definition of 'balls-up'

From: GCIDE
  • balls-up \balls-up\ n. something badly botched or muddled; a foul-up. [British]
  • Syn: ballup, cockup, mess-up, foul-up. [WordNet 1.5]