Meaning of horsefeathers

horse•feath•ers

Pronunciation: (hôrs'fe"urz), [key]
— Slang. Slang.
—n.
  1. something not worth considering.
—interj.
  1. rubbish; nonsense; bunk (used to express contemptuous rejection).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.