Quote from Kramer in The Pool Guy
Jerry: [picks up the phone] "555-3455." Well, wait a second. Don't you see, that's 555-FILK. Kramer: What's "filk"? Jerry: Filk's nothing, but 555-FILM is Moviefone. Kramer: Oh, Moviefone. Jerry: Yes, so people are just dialing it by mistake and getting you. Kramer: So, I'm filk? Jerry: You're filk. Kramer: Oh, Mama.