adj: A term used to describe someone with a head that is out of proportion with their body.
noun: A literal watermelon for a head, typically placed on a corpse by naughty teenagers.
Wow! My Grandma has a watermelon head! If I catch the
degenerate that did this, I'll eat their ass!
Wow! My best friend sure had a watermelon head, its too bad the
police blew half of it off cause he was
black.
