Webster's Revised Unabridged Dictionary · 1913

Piffle

Piffle , intransitive verb

To be sequeamish or delicate; hence, to act or talk triflingly or ineffectively; to talk nonsense or about trivial matters; to twaddle; piddle. [Dialectal or Slang]
2.
To act in a trivial or ineffective way.

Piffle , noun

Act of piffling; trifling talk or action; piddling; twaddle. [Dialectal or Slang]
Futile piffle. — Kipling