DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   twiddle
       n 1: a series of small (usually idle) twists or turns
       v 1: turn in a twisting or spinning motion; "The leaves swirled
            in the autumn wind" [syn: twirl, swirl, twiddle,
            whirl]
       2: manipulate, as in a nervous or unconscious manner; "He
          twiddled his thumbs while waiting for the interview" [syn:
          twiddle, fiddle with]