Milk chugging, or the "gallon challenge," was a thing a few years ago. The rules are pretty simple: Drink a gallon of milk in 60 minutes, and keep it down. It is harder than it sounds, as many a ...

Competitive eater Takeru Kobayashi took the gallon-of-milk challenge (i.e. drinking a gallon of milk in an hour) — which is considered dangerous — after eating 13 cupcakes in a minute at Uncle ...