A group of girls that one would generally agree are filthy or dirty in a sexual sense.  May not be a negative even though the word implies a negative connotation.  Could be a sarcastic way to say that a girl is hot and (you hope) dirty.
by JimmyMalaga July 7, 2006
 Get the filthiesmug.
Get the filthiesmug. by JB? April 4, 2008
 Get the filthymug.
Get the filthymug. by rodallen35 November 21, 2011
 Get the Filthymug.
Get the Filthymug. A description of a person that looks like the less attractive version of you. A busted doppelganger.
Michelle (From Seattle): Tiff, that girl down the hall is so your filthy.
Tiffany: She looks like the evil version of me.
Tiffany: She looks like the evil version of me.
by Craigers234 December 17, 2012
 Get the filthymug.
Get the filthymug. He struck out on a filthy slider.
by jackets11 June 8, 2009
 Get the filthymug.
Get the filthymug. by Edmanlikefood March 28, 2009
 Get the Filthymug.
Get the Filthymug.