A drinking game where someone leaves the room, thus leaving their beer unattended, after which someone else chugs that beer and leaves it upside down. After the person comes back, they must chug a new beer to make up for leaving their beer unattended.
Lyndon chugged Bryn's beer after he left the room and left it upside down. When Bryn came back, Grayson exclaimed, "Oh shit dude, you got Jenny Craiged!!!!" Bryn then complained, bought a new beer, and chugged it.