The new governor has made a 'clean sweep' of the staff in the governor's mansion. [=the new governor completely replaced the former governor's staff]
He gave the floor/room a quick 'sweep'. [=he swept the floor/room quickly]
The election was a 'clean sweep' for local Democratic candidates.
(..) It's for the rarest of specimens. The worst of the worst. It's taken centuries, but I've collected all the Knights but you. The creators want to sweep their chessboard clean. I'm slave to no one. All this species mixing with species. It upsets the cosmic balance. (..)2014 Transformers: Age of Extinction