{n. phr.}, {slang} 1. Not true; I don't believe what you're saying. * /"Horsefeathers!" Brad cried. "I can't believe a word of what you said about Jessica."/ 2. Exclamation of disgust. * /"Horsefeathers!" Fred cried. "We've just missed the bus."/ Compare: FIDDLESTICKS, BULLSHIT.
HORSEFEATHERS!
Meaning of HORSEFEATHERS! in English
Slang English vocab. Английский сленговый словарь. 2012