What Does YMBJ Mean?YMBJ means "You Must Be Joking".
Summary of Key Points"You Must Be Joking" is the most common definition for YMBJ on Snapchat, WhatsApp, Facebook, Twitter, and Instagram.
|Definition:||You Must Be Joking|
2: Quite easy to guess
Adults and Teenagers
Example of YMBJ Used in a Text
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