Source : Webster's Revised Unabridged Dictionary (1913)

Piddle \Pid"dle\, v. i. [imp. & p. p. {Piddled}; p. pr. & vb. n.
   {Piddling}.] [Cf. dial. Sw. pittla to keep picking at, Sw.
   peta to pick.]
   1. To deal in trifles; to concern one's self with trivial
      matters rather than with those that are important.
      --Ascham.

   2. To be squeamishly nice about one's food. --Swift.

   3. To urinate; -- child's word.