DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   slummock /slˈʌmək/
    [Br.] Wermutbruder <masc>, Pennbruder <masc> [Dt.] , Gammler <masc> [pej.]
      Synonyms: slob, schlump
    see: slobs, slummocks, schlumps