The clip spread online as a viral reaction sound, shared by Portuguese-speaking creators with tags for mockery, teasing and funny birds before reaching wider meme and short-video audiences. Its appeal does not depend on a film, show or famous character, but on the instantly recognisable duck quack that listeners hear as sarcastic laughter. It sits alongside other mocking animal and cartoon laughs, including Nelson's HA-HA and the laughing dog meme, which creators often swap in for the same teasing effect. Because the joke is purely in the sound, it stays useful across languages and trends.