There is no widely documented origin for 'formiga cocando outra,' which translates from Portuguese as 'ant scratching another.' It appears to be a user-generated meme sound that spread through soundboard sharing rather than from a film, show, or viral video. Like many Portuguese-language meme sounds, its appeal is the surreal, almost meaningless phrase that becomes funny through repetition. Creators keep using it because the randomness works as a non sequitur, a quick way to derail an edit and surprise viewers who were expecting a normal punchline.