Doonesbury by Garry Trudeau for March 21, 1973
Transcript:
B.D.: How do, Poppo? Man: B.D.? B.D.: My gracious, it certainly is fine to see you again, Dad! Man: Ditto, son. How's things at school? B.D.: O.K. Say, where you off to, Dad? I thought I'd find you vegetating in the T.V. room! Man: Actually, I'm on my way there now! These are my supplies - beer and pretzels and aspirin! Well, gotta go! Catch ya at dinner!