Source : Webster's Revised Unabridged Dictionary (1913)

Tweedle \Twee"dle\, v. t. [Cf. {Twiddle}.] [Written also
   {twidle}.]
   1. To handle lightly; -- said with reference to awkward
      fiddling; hence, to influence as if by fiddling; to coax;
      to allure.

            A fiddler brought in with him a body of lusty young
            fellows, whom he had tweedled into the service.
                                                  --Addison.

   2. To twist. [Prov. Eng.] --Halliwell.

Source : WordNet®

tweedle
     v 1: sing in modulation [syn: {chirp}]
     2: play negligently on a musical instrument
     3: entice through the use of music