clear out

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb idiomatic, transitive to completely empty
• verb idiomatic, transitive to remove or eject (from), especially forcibly
• verb idiomatic, intransitive to leave quickly
• verb idiomatic, intransitive to become empty

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb clear out the chest and lungs
• verb empty completely
• verb move out and leave nothing behind