One-Man Leap Frog
This one is for people that don't like to share or play with others. Usually leap frog consists of people jumping over one another with the ultimate goal of reaching the front. In one man leap frog, the anus is exposed and the goal is to jump into yourself, in effect, you are trying to get your male member inside yourself.
Luis played one-man leap frog and got himself stuck. Now he can't sit down.