Internet shrapnel is a term used to describe the negative side effects and/or backlash someone or something gets for "Blowing up" on the internet
Guy 1: hey, you ever hear about "Gaseous_assesous" getting really popular over night by posting minecraft videos?
Guy 2: yeah, seems like there was lot of Internet shrapnel. They're calling him racial slurs and saying that his content was an effortless fluke, that doesn't deserve the attention.
Guy 1: Happens all the time