The phrase has become a staple of online reaction culture because it sums up disbelief in a few seconds without needing context. It circulates widely in short-form videos, streams and meme edits, where creators use it to respond to surprising claims, failed stunts and obviously questionable choices. Its casual, brotherly delivery makes it feel like a direct comment from a friend rather than a scripted line, which is why it keeps resurfacing whenever a new absurd moment goes viral.