The phrase itself is Brazilian Portuguese slang, roughly telling someone to go get themselves treated, with mongol used as a dated, offensive insult for a foolish person. No clear original recording, speaker or year is widely documented, so the clip circulates mainly as a detached soundboard and messaging audio. It spread through shared meme pages, chat groups and short video edits, where the aggressive delivery became the joke by itself. It remains popular because the line is short, recognisable to Portuguese speakers, and easy to reuse as an instant reaction.