clean up

Short definition from Wiktionary

Verb

1. 1
   To make an area or a thing clean; to pick up a mess; to tidy.
2. 2
   To become clean, handsome, smart in appearance, e.g. for a special occasion, especially when it is out of character to be seen as such.
3. 3
   To make something less corrupt or unseemly.
4. 4
   To make a large profit; to win by a large margin, or to win a large amount, especially in gambling. Also clean house.
5. 5
   To intervene in a fight between two players at low health and easily kill both of them or the winner.

Noun

1. 1
   Misspelling of cleanup.
2. 2
   Alternative spelling of cleanup.