DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   sess /sˈɛs/
    [slang] Cannabiskraut <neut>, Marihuana <neut>, Gras <neut> [slang]
      Synonyms: cannabis herb, marijuana, marihuana, weed, grass, ganja, pot