DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   jimmy \jim"my\, v. t. [imp. & p. p. jimmied; p. pr. & vb. n.
      jimmying.]
      To pry open (a door, window, etc.) with a jimmy or similar
      device; often used with open; as, the burglar jimmied open
      the back door and stole the TV set.
      [PJC]