What is another word for ballocks up?
Pronunciation: [bˈaləks ˈʌp] (IPA) 
The term "ballocks up" is a slang phrase that refers to making a mistake or causing something to fail. It can also be used to describe a situation that has become chaotic or disordered. There are several synonyms for this phrase, including "screw up," "botch," "muck up," "ruin," "blunder," "foul up," and "mess up." Each of these words conveys a similar meaning to "ballocks up," and can be used interchangeably in many situations. Regardless of which synonym is used, the message remains the same: something has gone wrong, and action must be taken to correct it.
