DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Mucky \Muck"y\ (m[u^]k"[y^]), a.
      1. Filthy with muck; miry; as, a mucky road. "Mucky filth."
         --Spenser.
         [1913 Webster]
      2. Vile, in a moral sense; sordid. [Obs.] --Spenser.
         [1913 Webster]
               Mucky money and false felicity.       --Latimer.
         [1913 Webster]