noun- a watermelon, with a hole drilled throught the center (length wise). Where two penises are inserted through opposite ends, and meet in the middle. Where they " kiss ". The " Kissing " of the penises, is where the head of one penis, presses against the head of the other penis, in a kissing motion. It can also be considered a game, where the objective is to push the other penis out of the hole.

to sport a boner, fly the sail at full mass, rock hard, etc.