What's a 'shower thought?' It's a fleeting morsel of wisdom that pops into your brain out of nowhere when you're doing something meditative, like showering or trying to fall asleep. Doing an activity that clears the head is kind of like making room for all the delightful randomness your brain is capable of. r/Showerthoughts is one of the best places to consume these clever ideas in bulk, and we've gathered a handful of the sub's latest highlights. Enjoy these thoughts that might cause your brain to do a double take.