He's 'filthy rich'. [=he's extremely rich; he has so much money that his wealth is disgusting or offensive]
He has a 'filthy' mouth. [=he uses language that is very offensive]
He has a 'filthy' temper. [=he gets angry very easily]
(..) I know, it's just, boys and their bachelor parties. It's gross. You're right. It is gross. Not to mention it's pathetic. Those places are filthy. And the worst part is... That little girl grinding, and dry humping the fucking stage up there. That's somebody's daughter up there./ (..)2009 The Hangover