screw up

screw up
screw up
1. Inf. to mess up. •

I hope I don't screw up this time.

The waiter screwed up again.

2. Inf. a mess; a blunder; utter confusion. (Usually screw-up.) •

This is the chef 's screw-up, not mine.

One more screw-up like that and you're fired.

* * *
{v. phr.}, {slang}, {semi-vulgar}, {best avoided} 1. To make a mess of, to make an error which causes confusion. * /The treasurer screwed up the accounts of the Society so badly that he had to be fired./ 2. To cause someone to be neurotic or maladjusted. * /Her divorce screwed her up so badly that she had to go to a shrink./

Dictionary of American idioms. 2013.