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.
(..) - Valar dohaeris. I've been sweeping this floor for days. - Good. - I didn't come here to sweep floors. No? Why come than? You said that I could be your apprentice. You said you'd teach me how to a Faceless Man. A man teaches a girl. (..)2015 TvShow: Game of Thrones Title: High Sparrow Season: 5 Episode 3