The sexual position of having a women's ankles to her ears and pounding the shit out of her.

As you're stroking your favorite girl in her pooper, reach forward and grab her wrists out from under her. Just before her precious face hits the carpet, donkey-punch the little whore in the back of the head thus causing a sudden seizure of her plump little rectum. Beware boys, better get your jizz on cause they really don't take too kindly to the carpeting