Filt monger Share definition Flag Lower class. A person who usually mongers filt, badly dressed. Some dirt underneath finger nails is a common side effect. Who!Tommy. That Filt monger, cant beli eve he's still knocking around. Filt monger by Nomadurban February 8, 2017 0 0 Get merch Get the Filt monger mug. Buy Now — $32.95 See more merch