Guess what?
Chicken butt.
Guess who?
Chicken poo.
Guess why?
Chicken thigh.
Guess when?
Chicken pen.
Guess where?
Chicken hair.
Guess how?
Chicken cow.
Chicken butt is an old silly joke started decades ago with unknown origins. You may have heard it when you were a kid from a friend or relative. It is fun because anyone can make up there own answers, and the chicken butt answer to guess what is usually unexpected.