Spanish for "drawers" (as in, the kind in a dresser or desk). This word is often confused by non-Spanish speakers with cojones (note the different vowel sound), which is Spanish slang for balls, but they are in fact two very different words.
He's got one hell of a set of phone cajones. He was really giving it to the customer service rep on the phone but when he went down to the store, he totally fell apart.