DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Mugging \Mug"ging\, n. [p. pr. & vb. n. from mug, v.]
      A robbery; a taking of property by threatening (or
      performing) violence on the person who is robbed. See mug,
      v.
      Syn: robbery, holdup, stickup
           [PJC + WordNet 1.5]