The phrase circulates online as a Brazilian Portuguese meme sound, with users searching for its slang spelling nois as well as the standard nós. Its appeal is less about a single video and more about how easily the short, vulgar line can be reused as a reaction, which is why it appears in edits, streams and short-form clips rather than in a longer scene. Because the wording is blunt and instantly recognisable to Portuguese-speaking audiences, creators keep returning to it for quick roasts, ironic commentary and lowbrow humour that needs no setup.