What goes around comes around

They should never play foul

The peacock has fair feathers but foul feet

Don't wash your dirty linen in public

When the trusted confidant of the person who conducted a hostile takeover of the company betrayed him, it was a sort of retributive justice

He plays dirty pool

The image quality is really bad - the resolution is so low

They shone like stars in the dark, dirty building

Gosh, what a dirty customer