screw up

Definition

screw up rate

(Adult / Slang)

Quotes:

(1) Sally (Liza Minnelli) in Cabaret (1972): ' Sex always screws up a friendship anyway.'

(2) Paula McFadden (Marsha Mason) to Elliot Garfield (Richard Dreyfuss) in The Goodbye Girl (1977): ' I love actors, as long as they stay on the stage where they belong. But you put them down in real life and the whole world gets screwed up.'

2. Or: screw-up , a bungler.