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 otherwise incapacitated.
Johnsaid he enjoyed cockslapping me last night while I was asleep.
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.
Architect 1: Look that dude's cockslapping the mona lisa!
Architect 2: Yeah, you like that don't you baby?! *fap fap fap*
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!"
his mortal enemy moved closer
"one step closer and ill cockdrop you back from wence you came!"