How to politely tell someone they're stupid

For anyone outpacing common sense like it’s a damn footrace—this one’s for you. With a vintage-y cartoon feel and a bold reminder that while wisdom keeps trying to catch up, some people are just committed to being confidently clueless. It’s cheeky, ironic, and the perfect coaster for that one friend who always has the dumbest hot take in the room. Note: Images shown are representative; actual product details may vary slightly. All coasters are handmade 4“ x 4