"Cleaned up" means made something tidy and free of dirt or mess. It can also mean gaining big success or profit, like winning awards or making a lot of money.
People don't want their lives fixed. Nobody wants their problems solved. Their dramas. Their distractions. Their stories resolved. Their messed cleaned up. Because what would they have left? Just the big scary unknown. Chuck Palahniuk
Genius is always allowed some leeway, once the hammer has been pried from its hands and the blood has been cleaned up. Terry Pratchett
Useful! You want to talk about useful? Have you ever read anything about politics? Economics? You know what keeps a culture alive?” "Yes,” said Ernest sullenly, while M. Gargotier cleaned up the mess. "People not bothering other people. George Alec Effinger
Me and my partner, Conway Twitty, cleaned up at the 1972 Country Music Association Awards. Loretta Lynn
I cleaned up my act because otherwise I would have kicked the bucket. Lou Reed
It's not like I cleaned up with girls. I always looked young and I was very small; I hated being 'cute.' Jamie Dornan