the act of applying peanut butter to the anus (around the exterior or actual insertion) and having a pet (usually a dog) to lick it out. The goal of this is to result in pleasure for the peanut sludger. It is also considered to be a gross abuse of animal rights.

Gutter Sludge: Adjative. The vile secretion one emits after a long night of alcohol consumption...or copious amounts of Indian, Mexican or Thai food. Normally accompanied by a "cup-a-fart"

Very much like a sludge cannon, only with the endless torrent of molten shite pouring forth from the mouth, rather than the anus

One who comes home from work with black hands, full of oil/grease almost to mid forearm and no matter how many times they wash their hands they stay grey/oilly.

Add being a father and coming home to the kids..

"daddy sluge fist"

(noun):
A sex move where ass to mouth is performed, whereas the receiver has fecal incontinence.

The black tar-like substance that scars the floors of your local fraternity. Frat Sludge is composed of beer, blood, sweat, seamen and hard work.

the substance comprised of many unknown variables accumulated on the frat floor causing infection or death if not washed off immediately.