Used tampons on the ceiling. DIY nipple-piercing. And so much more.
Jenny Chang / BuzzFeed
"People would throw wet (sometimes used) tampons up onto the ceiling and occasionally they would fall down out of the blue."
"I was once in a locker room after a workout with a younger woman who got naked, sat down, brought her foot up to her mouth and started chewing on her toe nails. Nothing like the taste of sweaty feet after a work out, apparently." —Stephanie Dawn, Facebook