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.
She's shit hot filthy.

Mmmm..... Filth.
by Your mommy's backdoor man December 15, 2010
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A person (usually female) of questionable character, commonly used in a sexual context.
Yose, last night this filthy was tryin' to get all up ons, but I wasn't having it. My boy told me she licked 9 kids last week.
by Creamy McPantsmann April 19, 2004
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(adj) slang term for someone who is rich, hence the term 'filthy rich'.
duude! You live up in Beverly Hills!!?!? Your parents must be Filthy!!!
by jingles123 January 18, 2011
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Filthy means out of the ordinary, cool or crazy.
Bro did you see that? That was so filthy!

Did he just 360 no scope him?

Yeah bro that was filthy dude!
by FilthyChris November 10, 2019
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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.
filthy chick walks past

Joe: oi stu go, say it man

Stu: FILTHHHHYYYY!!!!

laughs in fits
by Chuck1990 August 11, 2009
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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.
mike:Yo Ant u see them filthies up at the bar?
Ant: u know it!
by cuzzomike August 28, 2009
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That scank last night from the bar sent me A filthie of her snatch
by Jonny fuckin cashed July 28, 2014
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