Sewer Monkey Share definition Flag An absolutely atrocious smelling human that is too stupid to take a bath and is also lacking common curtesy. “Holy shit he smells.” “Yeah what a lil fuckin Sewer Monkey.” Sewer Monkey by Not_A_SewerMonkey September 5, 2020 0 0 Get merch Get the Sewer Monkey mug. Buy Now — $32.95 See more merch