Cockslapping is the practice is slapping someone's face with your penis, usually when erect. Often performed as a joke, when the recipient is either asleep, stoned, or otherwiseincapacitated.
AS the title states it is the act in which the pennis is whacked furtively about the famouspainting the "mona lisa" often resulting in architectural fapping.
use by the ancient romans to torture and confuse their enemies, this manoevre can strike fear into the heart of any warm blooded human, and if used correctly, the opponent can't sit down for a week!
Marcus eyed his opponent warily, "come at me i dare you!"