The exact source of this OMG clip is not clear from the available details, but sounds like this spread widely through meme pages, reaction edits and short-form video platforms. Their popularity comes from how instantly they communicate surprise with almost no context. Creators keep using them because the reaction is universal, easy to sync to a visual beat, and flexible across cringe moments, plot twists and comedic reveals. In many edits, it fills the same role as drama stings or a quick laugh track by telling viewers exactly how to react.