A girl who is very attractive in a slightly slutty way. A filthy girl knows it and is usually a bit haughty. Unusually good looking girls who are also bitches (in the sense of very unpleasant to be around) can be described as filthy or filth.

Filthy means out of the ordinary, cool or crazy.

Filthy is said with a loud grouchy voice, and is usually yelled when a fat, ugly or dirty chick walks past.
They also have to hear it being yelled.

(adj) slang term for someone who is rich, hence the term 'filthy rich'.

Usually pertains to a group of young women aka filthies. Either in a positive or negative content (almost always negative) is she is in the club she is a automatic filthy. If she has a man then she is a filthy fronter.

A dirty or arousing selfie

In Santa Cruz; a term to decribe a ugly bitch.