verb
- third person singular present of louse; to make a mess of something or handle it badly
Usage: informal
Examples
- He always louses up the simplest tasks.
- She louses every opportunity that comes her way.
- The new employee louses the filing system regularly.
- Don’t let him help or he’ll louse it up again.
- The team louses their chances with poor preparation.
- Every time she louses something, she blames others.