The University of London team has spent more than three years crafting a new, 8-inch wang out of skin grafts culled from Abad's forearm and becomes erect by mechanically pumping fluid into it. This pump is activated by a button located near his remaining testicle. "When you want a bit of action you press the 'on' button," Abad told The Sun. "When you are finished you press another button. It takes seconds. Doctors have told me to keep practising." He'd already undergone two surgeries before the recent 11-hour marathon installation surgery. Doctors on the team report that the prosthesis should be sufficient for Abad to start a family, if he so chooses.

This marks the first time that such a device has been successfully implanted. However, in March, a 21-year-old South African man received the world's first natural penial transplant.

[Image Credit: Getty Images]