public freakout

It's always uncomfortable watching a fully-grown adult lose complete composure in public. Whether it's a neckbeard having a meltdown over a game or a soccer mom screaming at an employee, it can be one of the most bewildering experiences you can have as a bystander. 

Inevitably you're going to witness a few of these scenes in your lifetime. If you're lucky, they won't be as bad as these.