The clip comes from Brazilian short-form comedy, where the phrase 'se prepara' is used as a playful warning that something intense is about to happen. Shared with hashtags for funny videos and the name Leuriscleia, it spread as a reusable reaction sound for party and prank edits, helped by its short length and clear, teasing delivery. Because the warning is broad rather than tied to one specific joke, creators can reuse it for almost any over-the-top moment, which keeps it useful long after the original short circulated.