Clean up (PW) make a big profit Since he started his new business, he’s really cleaning up. (MW) Main Entry: 1clean·up Pronunciation: \ˈklēn-ˌəp\ Function: noun Date: 1872 1 : an act or instance of cleaning 2 : an exceptionally large profit : killing (free) clean up 1. To make clean or orderly. 2. To make oneself clean, neat, or presentable. 3. To dispose of; settle: cleaned up the unpaid bills. 4. Slang To make a large profit, often in a short period of time: cleaned up during the bull market. |