Largest documented length, According to.
Wikipedia. “The longest officially documented human penis was found by Doctor Robert Latou Dickinson. It was 34.3 cm (13.5 in) long and 15.9 cm (6.26 in) around.”. By Dr. Dickinson, no less. I almost wonder if this is a joke. Sounds a bit skinny for being so long. We have guys here on this site who have wider penis’s. Here is a link to the complete Wikipedia entry on the human penis.