That's easy, find a horse and compare sizes. hung like a horse 1. hung like a horse A phrase used to describe a man with a large, equine-like penis. "Damn! You're, hung like a horse!" Usually...
Through history men have compared their penis sizes to their manhood. A full grown male mustang's penis when fully erect can reach upwards to one and a half feet (two for the lucky ones). Now, you...