Cannibal Clown

Alright, listen up, you knucklehead. The joke is that cannibals don't eat clowns because they think clowns taste bad. The punchline is a funny way to say clowns have too much artificial stuff on them like wigs and makeup and ugly shoes that make them taste bad. Here's a fact about you: your brain consumes 20% of your body's energy despite being only 2% of your body mass. Time to use it!