A dangerous game of chance. Someone who has intestinal gas and the feeling that they may also have a bad case of diarrhea will fart to relieve the pressure. With each fart, the potential for a shart becomes greater and greater. A person loses Texas Roulette by attempting to fart and instead shitting themselves.
I could feel my stomach gurgling as I walked back to the hotel. There must have been something wrong with the curry. The pressure was unbearable. I had to relieve the gas. I decided to play Texas Roulette and the first few farts escaped with no problem. But then, just as I relaxed to fart again, I splattershat my undies.