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A human who looks like their head got hit by a bus and then a brick wall, usually named brandon and smells like old socks
My cousin is a kadupple. He can’t fit through a door without yelling.
Just saw a kadupple at the mall. He looked like he was trying to fit into a hat.
My teacher said I was a kadupple. I told her she was wrong. She said I was a double kadupple.