DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   cheat on
       v 1: be sexually unfaithful to one's partner in marriage; "She
            cheats on her husband"; "Might her husband be wandering?"
            [syn: cheat on, cheat, cuckold, betray, wander]