Why did the skeleton die from laughter?
'Cause they broke all his "funny bones!"
Funny Bones
Explanation
Explain Bear
Listen up, smarty pants! This joke is playing on the word "funny bone." Usually, it refers to the place on your elbow that makes you feel funny when you bump it, but here, it's a literal bone that makes a skeleton funny. Get it? You wouldn't because you are not as smart as this BASED bear.