The phrase comes from everyday Brazilian slang, where 'mó' is shorthand for 'muito' and 'brisa' describes the hazy, spaced-out sensation associated with being high. As an audio meme it circulates mainly through Brazilian meme pages, TikTok edits and WhatsApp group chats, where short funny voice notes are traded like stickers. Its exact recording origin is not documented, which is typical of viral Brazilian audio memes — the clip spread because the delivery is instantly quotable. It endures as a go-to reaction for anything that feels gloriously, hilariously off.