Pearls Before Swine by Stephan Pastis for May 31, 2011
Man: Hi. Gimme a- Oh, great. Aren't you that rude employee that worked here years ago? Rat: Yes. I'm back with a new guarantee... I'm either nice to you or your next cup's free. Man: But will you be rude the next time? Rat: Ruder. Man: What kind of deal is that? Rat: Not a good one, you oafish chowder head. Oops.... The next one's on me.