Homer: I keep hearing this irregular thumping noise.
Gas Station Attendant: It's your heart, and I think it's on its last thump!
Homer: Whew, I was afraid it was my transmission.
(Homer drives off.)
Kid: Where's he going?
Gas Station Attendant: You remember that old Plymouth we just couldn't fix?
Kid: We're going to sell him to Mr. Nikopopolous?!
Gas Station Attendant: You're a dull boy, Billy.