hay is for horses

== English == === Alternative forms === hey is for horses hay is for horses and cows === Etymology === From hay being homophonous with hey. === Pronunciation === === Phrase === hay is for horses (sarcastic) Said as a retort to someone saying hey (any sense of the interjection), used to indicate that the speaker disapproves of the usage of the word "hey", perhaps due to a dislike of informal speech.