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]
(..) we're going to be intimate. Of course we're going to be intimate. It's only a matter of time. To our children. May they have your talent. And your filthy mind. (chuckles) A girl will poison the rum. Lady Crane is the only one who drinks it. If a girl could use one of (..)2016 TvShow: Game of Thrones Title: The Door Season: 6 Episode 5