clean up
clean up {v. phr.}
1. To wash and make oneself presentable.
After quitting for the day in the garage, Tim decided to clean up and put on a clean shirt.
2. To finish; terminate.
The secretary promised her boss to clean up all the unfinished work before leaving on her Florida vacation.
3. {informal}
To make a large profit.
The clever investors cleaned up on the stock market last week.
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Source: A Dictionary of American Idioms
