to post (= publish) something on the internet that causes a very large amount of interest, shock, or excitement, with a large number of people sharing or reacting to what you have posted

Remember when that photo of Kim Kardashian broke the internet? 还记得金·卡戴珊的照片在网上爆红的时候吗？

This cute kid basically broke the internet, with his video getting almost a billion views.