Intelligence and common sense usually go hand and hand. Usually, not always. And some people surpass all expectations and are lacking in both departments. Here are 50 of the biggest not-so-smart moments you’ll ever see. Let us know how many of your brain cells died from second-hand foolishness after going through this list.

Cereal bars are cereal, right?
If we’re being completely honest, we don’t really blame this guy for not knowing what a cereal bar is. After all, cereal bars aren’t as popular as they used to be in certain parts of the globe, but the fact that it’s a bar should give you a pretty good idea of how to eat one.

This guy thought that by putting the bar in milk, the bar would disintegrate and leave a bowlful of delectable cereal for breakfast. Obviously, his friend thought he was joking. How is it that someone could be thicker than a cereal bar? Apparently, it’s not impossible.