Piffle

Part of speech: noun (n.)

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

Part of speech: verb (v.)

To be sequeamish or delicate; hence, to act or talk triflingly or ineffectively; to twaddle; piddle. [Dial. or Slang]