dipping a pretzel, french fry, chip,(or other dipping utensil) in the dip on one side, and again on the other side emulating darth maul, who has a lightsaber with blades on either side. (For example the french fry would be the handle and the two sides with ketchup would be the lightsabery part) It achieves maximum satisfaction.
When you have a strap on in the front and the back and you move your hips back and forth in order to penetrate someone in front and behind you at the same time.