The exact original recording behind this short Portuguese line is not clearly documented, so it circulates mainly as a standalone reaction clip on soundboards and in Portuguese-language meme edits rather than as a quote tied to a known film or television show. Its spread has been driven by short-form video, where a few seconds of plain speech can set up a joke or a scare without needing context. Because the phrase is simple and the delivery is so flat, creators keep reusing it whenever they need a quick, uneasy punchline about someone being unexpectedly close by.