That one person in the friend group that does fuck all until he is forced to go to practice, school, or work. Still partakes in the partying but only if the party comes to him and his "moss spot".
Random Teammate: That kid just mosses all day i dont know how he does it.
Bryn: That is why we call him Master Moss dog, the world may never know.
Bryn: That is why we call him Master Moss dog, the world may never know.
by Bryn Boy March 31, 2021