clean somebody/something out phrasal verb ( see also ↑ clean )
1 . clean something ↔ out to make the inside of a room, house etc clean or tidy:
We’d better clean out the attic this week.
2 . clean somebody out informal if something expensive cleans you out, you spend so much money on it that you now have very little left:
Our trip to Paris cleaned me out.
3 . clean somebody/something out informal to steal everything from a place, or all of someone’s possessions