AHAHAHAHAHAHHAHAHAHAHA. HAH. AHAHAHAA.
He hung around arguing with my manager for a good ten minutes while my manager explained as politely as he could that, in addition to all the food being put away and all the grills/ovens ect being off, there was literally NO ONE left in the building who could cook for him. For reference, this was nearly 10:30 at night by that point, we NEVER close later than 10:00, and no, at no point had the guy even tried to call to make a reservation. :p