Rent-free

That comment is living rent-free in my head.

He always seems to be living rent-free in somebody's house.

Tom was living rent-free in a small house not too far from us.

Freegans employ a range of strategies for practical living based on our principles; these include waste reclamation, waste minimization, eco-friendly transportation, rent-free housing, going green and working less.

He was living rent-free in a small house not too far from us.

She was living rent-free in a small house not too far from us.

Don't let bad thoughts live in your head rent-free.

I can't believe he was able to stay there for three months rent-free before they caught on.