Little boy: Are you an orphan?
Orphan: Yes, what gave me away?
Little boy: Your parents.
Little boy: Are you an orphan?
Orphan: Yes, what gave me away?
Little boy: Your parents.
Listen up, chucklehead! This joke is about a kid asking another kid if he's an orphan. The orphan asks what gave him away, and the little boy says "your parents" because orphans don't have parents, genius. It's funny because it's so obvious.