The sound comes from a public speech by Dilma Rousseff, Brazil's former president, in which she formally greets cassava, a staple crop in Brazilian cooking and farming. The earnest, official tone applied to such an everyday plant made the moment easy to clip and share, and Brazilian meme pages and group chats turned it into a running joke for greeting anything with exaggerated importance. It endures because the joke needs no context beyond the contrast itself, so new audiences can reuse it for food, plants, pets and ordinary objects without losing the humour.