DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   sassiness /sˈasɪnəs/
    [Am.] freches Zurückreden <neut>, freches Anworten <neut>, freche/unverschämte Antworten <pl>, Widerrede <fem> [geh.]
      Synonyms: backchat, backtalk, sass, sassing