The waitress looked confused for a moment. "That's what it says on the sign, the one by the door? First ten drink free all night. But if you're really curious enough to look a gift horse in the mouth, the boss is right over there." She pointed to the man at the throne, who was now occupied only with glancing around at the patrons.
"I wouldn't be quite so unthankful in front of him, if I were you."