The line comes from the world of Hermes e Renato, a Brazilian comedy act known for sharp, streetwise humour and exaggerated characters who turn everyday arguments into jokes. Shared as a short soundboard clip, the phrase spread through meme edits, reaction videos and chat replies, where its Portuguese wording became a shorthand for doubting a story without starting a real fight. Because the challenge is so direct and easy to recognise, creators keep returning to it whenever a claim sounds too good to be true.