Bolloxing is a term that means to make a mess of something or to ruin it. There are many synonyms for this word, including mishandle, bungle, botch, mess up, flub, muff, spoil, and screw up. These synonyms all convey the idea that something has gone wrong and the outcome is not as intended. Some other similar terms include fumble, blunder, and stumble. Regardless of which term is used, the emphasis is on the fact that a mistake has been made, and the desired outcome has not been achieved. These synonyms can be used interchangeably, depending on the context and the level of severity of the mistake that was made.