waitress: "can i help you sir"
rob: "yes, i have a reservation for two for rob and lisa"
waitress: "will your guest be joining you later"
rob: "what do you mean?"
waitress: "well sir... your alone"
rob: "DAM IT!!! I knew i forgot something!"
waitress: "looks like you pulled a knobby!"
whole restaurant: "ha ha ha ha ha ha ha!"