This clip comes from a user-submitted classroom recording rather than any film, show or game, and its exact source beyond that is undocumented. The line itself is everyday Dutch for 'that is not true,' which gives it a universal punchline quality that works even for viewers who do not speak the language. It spread through meme soundboards alongside reaction clips like bruh, where creators needed a fast, funny way to shut down nonsense. Like a classic wrong-answer buzzer, its staying power comes from the delivery: blunt, confident and instantly recognisable as the voice of someone who has heard enough.