Filth Monger Share definition Flag A term for someone who is involved in the dealing or trading of filthy or obscene material. "Wow, my friend Chris has the greatest snuff films! He's such a filth monger!" Filth Monger by greenlit February 24, 2009 0 0 Get merch Get the Filth Monger mug. Buy Now — $32.95 See more merch