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.
(..) musicians, interesting people... You don't have to do that. It's my fault. I should've called. I thought... I'll come here and sweep you off your feet, or something. -Daisy, come on! -I'll be right there. He seems nice. Do you love him? (..)2008 The Curious Case of Benjamin Button