The females will 69, while the males are both going in from behind.
The Males must look into each others eyes, and high five.
For extra fun bring in 2 more people and have them run into you and tip you over.
"Thats called the Twin towers (sexual) NOT the Eiffel Tower, There we're 2 chicks!"- Man 2
man 1- "ohh my mistake, now I understand when they said 2 other people tackled them"