mud nugget Posted in M Best definition mud nugget Noun. Usually the final bit of shit that your strain to get out, splashing into the water with a satisfying plop You gonna be long in the toilet man? Nah, just squeezing out a couple of mud nuggets How satisfied are you with the definition? Looking for mud nugget meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 44 times.