The phrase comes from everyday Portuguese, where 'tá chovendo aí, aqui está chovendo' simply checks the rain in one place and confirms it in another. Shared as a short soundboard clip, it spread through chat culture because the exchange works without context and fits almost any rainy-day post. Its humour comes from stating the obvious in a flat, familiar way, so creators reuse it for weather jokes, reaction videos and voice-note replies. The brevity keeps it recognisable even when played over unrelated footage of storms, wet streets or people running for cover.