clean up is a verb meaning "put (things or places) in order". It carries 4 recorded senses.
put (things or places) in order
“Tidy up your room!”
make a big profit; often in a short period of time
“The investor really cleaned up when the stock market went up”
Definitions, synonyms and semantic relations for clean up come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.