(used with a singular or plural verb) something not worth considering.
rubbish; nonsense; bunk (used to express contemptuous rejection).
Origin of horsefeathers
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for horsefeathersrubbish, baloney, hogwash, garbage, claptrap, tomfoolery, jazz, bilge, hooey, piffle, flimflam, applesauce, poppycock, balderdash, trash, rot, tommyrot, twaddle, eyewash, refuse
"nonsense," 1928, said to have been coined by U.S. cartoonist Billy De Beck; perhaps a variant of horseshit "nonsense," though the latter is attested only from 1940s.
Online Etymology Dictionary, © 2010 Douglas Harper