horsefeathers noun 3exclamation 1 noun[plural only]3 •(US, euphemistic) Nonsense; indicates disbelief.Dismissing the rumors as "horsefeathers", he advised everybody to disregard them. •Long hair on lower legs of a draft horse (e.g., Clydesdale), especially the rear legs. •Feathering strips.The exterior of the court is entirely of sheathing and wood shingles applied over "horsefeathers." — 1940 exclamation1 •(US, euphemistic) Indicates disbelief.Horsefeathers! You knew it was a bad idea and now you're just making excuses about it.
