A simple game for men in which they place each hand at opposite sides of their navel area, and bat their penis back and forth in succession in order to get as many knocks as possible. In order for competitive play, one hand can be substituted for another persons hand.
by clydeplayer May 17, 2011
Get the Knob knockersmug. by Shadowstone May 14, 2010
Get the knob knockermug. by youdontknowme94 July 7, 2009
Get the knob knockermug.