The meme derives its name from a popular catchphrase used by WWE wrestler Road Dogg Jesse James, famously known for his energetic promos during the Attitude Era. The phrase 'Oh, you didn’t know?' has become iconic among wrestling fans, often used to convey surprise at a revelation or a twist in a conversation. In the ring, it's typically followed by a boastful declaration that leaves opponents and fans alike stunned. This catchphrase encapsulates the spirit of shock and unexpectedness, pivotal elements that define wrestling entertainment. In contemporary meme culture, the phrase has been repurposed into various humorous contexts beyond wrestling. Social media users deploy it in reaction memes to express disbelief or annoyance at something that seems obvious or predictable. Its versatility has made it a go-to response for countless situations, from reacting to outrageous news stories to poking fun at friends who are out of the loop. The underlying tone is often sarcastic, enhancing its comedic value across diverse online platforms.