Nunes Filho is shared online as a short Brazilian passinho meme built around the matando barata step, a comic dance move that imitates stamping on a cockroach. The humour comes from the contrast between the confident funk attitude and the deliberately silly footwork, which makes it easy to copy, remix and drop into short videos. It circulates mainly as a reaction and dance sound, rather than as a full song, and creators reuse it whenever they want a quick, recognisable Brazilian funk joke. Its appeal is its simplicity: one step, one rhythm and an instantly visual gag.