I. balls 1 /bɔːlz $ bɒːlz/ BrE AmE interjection British English not polite
used to show strong disapproval or disappointment:
Balls to that!
⇨ balls at ↑ ball 1 (10)
II. balls 2 BrE AmE verb
balls something ↔ up phrasal verb British English informal not polite
to do something very badly or unsuccessfully SYN mess up