Source : Webster's Revised Unabridged Dictionary (1913)

Whiffle \Whif"fle\, v. i. [imp. & p. p. {Whiffled}; p. pr. & vb.
   n. {Whiffling}.] [Freq. of whiff to puff, perhaps influenced
   by D. weifelen to waver.]
   1. To waver, or shake, as if moved by gusts of wind; to
      shift, turn, or veer about. --D?mpier.

   2. To change from one opinion or course to another; to use
      evasions; to prevaricate; to be fickle.