mudmucky Share definition Flag A nasty shit that looks like mud. Smells really bad and looks like chunky mud. Person 1: Jeez it smells did you shit? Person 2: Yup it was a huge mudmucky. mudmucky by RyanDaSniper December 1, 2019 0 0 Get merch Get the mudmucky mug. Buy Now — $32.95 See more merch