It's bad to be a dick to people.
Mark is having dinner with his friends but can't get a refill on his drink.
Mark wants to express his displeasure about his drink.
Mark asks a busboy to send the manager over.
Mark yells loudly across the restaurant for his server to come over.
Mark gets his meal comped for the bad service he recieved.
Mark is asked to leave the restaurant for his rude actions.