The '6–7' craze has adults scratching their heads, but it’s just the latest in a long line of secret kid codes! Remember Pig Latin, the mysterious Cool 'S', or the classic 'loser' L-sign? Turns out, every generation has its own weird lingo and hand signals that drive adults nuts. Experts say these trends are just kids being creative and building their own worlds—no internet required! Which one did you use back in the day? #Education #Nostalgia #GenZ