clean up | ˌclean sth ↔ ˈup
1.
to remove dirt, etc. from somewhere :
He always expected other people to clean up after him (= when he had made the place dirty or untidy) .
Who's going to clean up this mess?
to clean up beaches after an oil spillage
—related noun clean-up
2.
( informal ) to win or make a lot of money :
This film should clean up at the box offices.