The phrase comes from a Spanish-language voice note that circulated as a WhatsApp audio and short-video reaction, where the speaker's nervous question about what is happening became the hook. Because the line is short, expressive and easy to understand even without context, creators began reusing it over clips of confusion, surprises and awkward situations. It spread mainly through shares and reposts rather than a single television or film scene, and it remains popular as a relatable reaction sound for moments when something feels strange, chaotic or slightly frightening.