The phrase comes from The Game, a long-running mind game and internet joke in which the only objective is to avoid thinking about the game itself. The moment a player thinks about it, they lose and are supposed to announce that loss to everyone around them, which is what makes the line so effective. It spread through online forums, chat groups and video platforms, where people used it to catch friends off guard and restart the cycle. It remains popular because the joke needs no explanation for those who know it and instantly creates a shared moment of defeat.