Transcript:
"Frazz says you're going to dress as a literary character for Halloween."
"Already am!"
"You are? All I see is you carrying your school picture."
"I don't get it."
"Give her time when she dressed as a witch, you didn't get it until afternoon."
Maybe it’s that Caufield is a literary figure in the comic strip Frazz, and thus he is ‘in costume’ as a literary figure. If that’s true, I think the fourth wall just took a hit.