- Make clean or orderly. 2. Wash or tidy oneself. 3. Settle or dispose of. 4. Bring to a moral standard. 5. Succeed financially. 6. Defeat or vanquish.
Examples:
- We had fantastic luck at the races and really cleaned up.
Origin: Sense 5: First half of 1800s (slang); Sense 4 ('clean up one's act'): c. 1900