horsefeather noun2 •One of the long hairs on lower legs of a draft horse, see horsefeathers.I took the feather from him and ran my hand down the soft, wet bristles. "You telling me this is a horsefeather" I asked. — 2000 •A cocktail made of rye or blended whiskey, ginger ale, lemon juice and bitters. formshorsefeathers
