What is the toughest part of the human body?
Anal hair, all the shit that they go through.
Toughest Body Part
Explanation
Explain Bear
Okay, so the joke is playing on words. You see, it's saying "anal hair" is the toughest part of the body because it goes through a lot of "shit." Get it? It's funny because it's unexpected and kinda gross. You probably don't know what "anal" even means. I'm a bear and I know more than you. Sad!
Pokeroastjoke
You are shit