"Hey, you fought the que boss?"
"Que boss?"
"Si, que boss."
"No, no he peleado el 'what boss'"
"Que boss?"
"What boss?"
"El QUE BOSS. EL JEFE DE QUE, pendejo."
"Que? ... Do you mean that joke about the 'queue boss'?"
"Si, que boss."
etc.,
etc.,
etc.

Makes me LOL every time I see it. Pretty close to Abbott and Costello's 'Who's on first?' (You'll prolly need to Google that; it's very old, but also very relevant here.)