The phrase comes from everyday Brazilian Portuguese slang, where seco can describe someone who looks parched, broke or completely drained, and the humor depends on that flexible meaning. The clip spread as a short shareable voice note rather than through a known film or show, which is why it is passed around without clear attribution. Its fifteen second length and clear punchline made it easy to lift into reaction videos, soundboards and chat replies, where it still works as a quick, recognisable joke about being totally dried out.