The phrase comes from everyday Brazilian Portuguese and spread online as a reusable reaction clip rather than a line tied to one confirmed show or film. Creators lift the audio for edits where someone tells a weak joke, posts a corny take, or tries too hard to be funny. Its popularity rests on the universal timing of the question itself, which Portuguese speakers and non-speakers alike read as disbelief. It now circulates on soundboards and short video platforms as a quick shorthand for calling out humour that fell flat.