Doonesbury by Garry Trudeau for February 09, 1972
B.D.: Say, George, have I told you about my girl, Boopsie? George: Nope. B.D.: She's a real doll, George. Bright, too. And a great sense of humor! ...For instance, why did the moron throw his clock out the window? George: Why? B.D.: 'Cause...hee, hee...he wanted to see time fly! Haw! Ha, ha, ha! That's one of her jokes... George: She's a riot.