Half-hearted horse Share definition Flag When a girl makes a sexual moan, but its delivery makes her sound liken a horse having trouble naying. I was having sex with a girl last night, but she sounded like a half-hearted horse. Half-hearted horse by Xreader May 18, 2015 0 0 Get merch Get the Half-hearted horse mug. Buy Now — $32.95 See more merch