The phrase Calma Zé is Brazilian Portuguese slang for telling someone named Zé, a common nickname for José, to relax. The clip circulates as a short Ronaldo voice meme on soundboards and in chats, where its brevity makes it easy to replay at the exact moment someone gets worked up. It is shared mostly for football banter and everyday arguments online, not as a serious instruction. Because the wording is instantly understood by Portuguese speakers, the sound keeps being reused as a quick, joking way to defuse tension.