You buy a lot of food and make a video a video of you eating it. Dem Asians make a lot of money doing that
Muk-bang or mukbang (Hangul: 먹방; RR: meokbang; lit. "eating broadcast") is a type of performance in which someone eats large quantities of food, while interacting with their audience. Usually done through a webcast, muk-bang became popular in South Korea in the 2000s.