Source : WordNet®

clean up
     v 1: put (things or places) in order; "Tidy up your room!" [syn:
          {tidy}, {tidy up}, {neaten}, {straighten}, {straighten
          out}, {square away}]
     2: make a big profit; often in a short period of time; "The
        investor really cleaned up when the stock market went up"
     3: dispose of; "settle the bills"
     4: make oneself clean, presentable or neat; "Clean up before
        you go to the party"