Imaginen esa situacion:

We're there, lying down or standing up (whichever you want) and in front of us we have a terrible ass moving up and down without stopping and full of lubricant, bouncing one after another and again without stopping while they only come together the bum or pussy, what a lovely situation and don't even mention the sensation of that terrible thrust. What a beautiful thing if it had been invented is twerking in sex