DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Sidle \Si"dle\, v. t. [imp. & p. p. Sidled; p. pr. & vb. n.
      Sidling.] [From Side.]
      To go or move with one side foremost; to move sidewise; as,
      to sidle through a crowd or narrow opening. --Swift.
      [1913 Webster]
            He . . . then sidled close to the astonished girl.
                                                     --Sir W.
                                                     Scott.
      [1913 Webster]