Muskin Posted in M Best definition Muskin – one who always think their the best and are really small; the one whos not hillarious; pathetic Hey Bob you know your a muskin because your the outcast and you think that your the one who runs shit you lil smurf. How satisfied are you with the definition? Looking for Muskin meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 6 times.