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1.
A Spanish word used to describe someone who is stubborn, big-headed, being ditzy, said or did something kinda dumb or who has crazy big hair! Lots of definitions, you just have to pay attention to the context.

Female version: Cabezona
Guber: "Se me olvidaron las llaves en el carro! Y esta encendido!"
Chela: Que cabezon! (similar to what a dummy!)
by ChicaChelita June 23, 2011