Doonesbury by Garry Trudeau for September 28, 1971
B.D.: Hi ya, Boopsy! How's my girl? Boopsie: Just peachy, Tiger! I brought you all some yummy lemonade! B.D.: Great! Boopsie: Here you are, fellows. Ouch! Ooh, B.D., Kirby pinched me! Heh-hem. B.D.: Ha, ha! Hey Kirby! Ha, ha! Boopsie: Heh-heh! Kirby: Ha, ha yeah. B.D.? Ha, ha! B.D.: You're out for the rest of the season.