Doonesbury by Garry Trudeau for April 25, 1973
Judge: Well, Mrs. Caucus, there's only one remaining aspect of the settlement - child custody. J.J.: Mommy! Daddy! Sniff. Judge: Your husband says he wishes to retain custody of the child. J.J.: Sniff. Boo hoo! Waah! I wanna go home! I'm tired! I wanna ice cream cone! Sniff. Waah! Waah! Joanie: No argument there. J.J.: Waah! Waah!