The phrase literally means take care of your own life, and in Brazilian Portuguese it works as a familiar, slightly scolding way of telling someone to mind their own business. That everyday bluntness is why the clip travels well in short videos, reaction edits, and WhatsApp audios, where a single familiar expression can carry the whole joke without explanation. It is especially useful when the target is gossip, judgement, or an unsolicited opinion, because listeners recognise the social situation instantly even before they parse every word.