Stingpong is played with two people on a Ping pong table. You play ping pong regularly, but every time your opponet scores, they get to hit the ball at you with their paddle. In order for them to hit you, you must turn around and lift up your shirt so they could hit you right in the back. First person to quite from the pain loses.
George- "Eric turn around I just got a point."
Eric- "No bro."
George- "Yes, you have to, remember we're playing stingpong."
Eric- "Fine, but don't hit me that hard."
George- "Can't promise you anything."
(George hits Eric on the back with the ball using paddle)
(Eric groans in pain)