DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   nada \nada\ n.
      1. [Spanish] Nothing. [informal or jocose]
      Note: [used mostly jocosely or for emphasis in phrases such
            as "Nothing, nada, zip!"]
            [PJC]