Colloquial term used in some regions.
Carlos es un pataruco en la pista de baile, siempre tropieza con sus propios pies.
Carlos is a clumsy person on the dance floor; he always trips over his own feet.
Mi amigo es un pataruco, siempre tropezando y haciendo tonterías.
My friend is a clumsy person, always tripping and doing silly things.