The New Thing Teens Are Doing Is Called The "Port-A-Potty Challenge"
by Patrick Redford from Deadspin > Sports News Without Fear, Favor or Compromise on (#347C0)

Teens, mostly on cross country teams are attempting to cram as many people as possible into port-a-potties. It's called the Port-A-Potty Challenge, and it's as self-explanatory as it is gross. Here's the best one: