Why is the chicken that crossed the road a cannibal? Because he went to KFC.
Cannibal Chicken
Explanation
Explain Bear
Listen here, you smooth brain! The joke is that the chicken is a cannibal because it went to KFC, a restaurant that sells...chicken! You see, it's eating its own kind. You probably eat at KFC, don't you? You're probably as plump as a bucket of their extra crispy!