make a hash of something
make a hash of (something)
To ruin, bungle, or spoil something. I really made a hash of that project at work—I'm going to get fired for sure! I'm afraid the accounting department made a complete hash of these numbers. We'll need to tally the entire ledger again.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
make a hash of somethingINFORMAL
If you make a hash of a job or task, you do it very badly. The Government made a total hash of things and wasted a small fortune. She fumbled with the trolley and made a hash of stacking the food trays.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
make a ˈmess/ˈhash of something/of doing something(informal) do something very badly: We tried making some wine, but we made a mess of it (= it did not taste good). ♢ I made a complete hash of the whole exam.
Farlex Partner Idioms Dictionary © Farlex 2017