Q: What is a skeleton's favorite color?
A: Blue stop signs.
Alright, listen up, buttercup. So, skeletons, right? They're dead. And what do dead people do? They're dead! And what color are dead people? Blue! So, if a skeleton had a favorite color, it'd be blue. And what's blue and you need to stop? A stop sign! You're about as sharp as a marble, aren't ya?