The Collaborative International Dictionary of English v.0.48:

Jockey \Jock"ey\, v. t. [imp. & p. p. Jockeyed; p. pr. & vb.
   n. Jockeying.]
   1. " To jostle by riding against one." --Johnson.
      [1913 Webster]

   2. To play the jockey toward; to cheat; to trick; to impose
      upon in trade; as, to jockey a customer.
      [1913 Webster]

   3. To maneuver; to move in an intricate manner so as to avoid
      obstacles; as, to jockey a large cabinet up a winding
      staircase.
      [PJC]