Forget high school cliques or that time you wore skinny jeans because “everyone else did.” Eli Yudin dives into five bonkers moments when entire towns lost their collective minds—think nuns biting like rabid chihuahuas and folks dancing themselves to death. These mass hysteria tales prove humans can be weirder than a three-headed goat when the group vibe goes haywire.

5 Mass Hysteria Events That Make Peer Pressure Seem Pathetic