Source : Webster's Revised Unabridged Dictionary (1913)

Piffle \Pif"fle\, v. i. [imp. & p. p. {Piffled}; p. pr. & vb. n.
   {Piffling}.]
   To be sequeamish or delicate; hence, to act or talk
   triflingly or ineffectively; to twaddle; piddle. [Dial. or
   Slang]

Piffle \Pif"fle\, n.
   Act of piffling; trifling talk or action; piddling; twaddle.
   [Dial. or Slang] ``Futile piffle.'' --Kipling.

Source : WordNet®

piffle
     n : trivial nonsense [syn: {balderdash}, {fiddle-faddle}]
     v 1: speak (about unimportant matters) rapidly and incessantly
          [syn: {chatter}, {palaver}, {prate}, {tittle-tattle}, {twaddle},
           {clack}, {maunder}, {prattle}, {blab}, {gibber}, {tattle},
           {blabber}, {gabble}]
     2: act in a trivial or ineffective way