Pearls Before Swine by Stephan Pastis for March 24, 2010
Pig says, "Rat got a job." Goat says, "Doing what?" Pig says, "He's the guy that gets those 'unsubscribe' e-mails you send when you're really upset and no longer want to be on some company's junk e-mail list? he has to respond to each angry e-mail." Goat says, "Oh, yeah? How's he respond?" Rat says, "Ah ha ha"