Clips built around disbelief phrases like what tf spread through meme pages and short-form video because they say in two seconds what a comment would take a sentence to explain. The spaced-out spelling became part of the joke, turning a common abbreviation into a drawn-out reaction that feels performed rather than typed. It is now used as a standalone soundboard button and as an edit staple for reaction compilations, gaming moments and strange real-life clips where confusion is the entire punchline and no extra context is needed.