Peanuts by Charles Schulz for March 30, 1982
Transcript:
Charlie Brown and Lucy stand by the baseball bench. Charlie Brown frowns and says, "Lucy, we've got to get a runner on base . . ."<BR><BR> Charlie Brown asks, "I don't suppose you'd let yourself get hit on the head with the ball, would you?"<BR><BR> Lucy and Charlie Brown look at each other.<BR><BR> Lucy replies, "This is the first time I've ever looked directly into the eyes of someone who is totally out of his mind!"<BR><BR>
This must be where the term “blockhead” came from. Only a blockhead would block the ball with their head!