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.
(..) I don't know what'll happen to this place now. Was it doing well? We made barely enough to pay the rent, cover his salary, mine and... and the kid who sweeps up. So, no. Not very well. Seth didn't tell me everything, but I could sense he was under a lot of pressure. He tossed and turned all night. (..)2008 TvShow: Bones Title: The Finger in the Nest Season: 4 Episode 3