For a long time, Peppermint Patty thought Snoopy was just another kid in the ‘hood, albeit a freakin‘ odd-looking one. How could she think a beagle was a boy? Lotsa reasons, really. Stupidity. Unfamiliarity with the canine. I was going to say maybe she just couldn’t fathom a dog being on a baseball team, but then I remembered that she was the first kid to resolutely share Linus’ faith in the Great Pumpkin. So she can clearly think outside the rhombus.
Peppermint Patty just saw the world in a funny way that made perfect sense to her. But when she sought refuge in Snoopy’s doghouse, and insisted it was instead the Brown family guest cottage, it sent her best pal Marcie over the edge. Trying to convince Patty with words was useless, so she spoke the tomboys language at last: physicality. It doesn’t say much for the craftsmanship of the doghouse that two small bodies resisting another small bodies attempt to pry them off can send it collapsing to the ground, but it let Schulz show off with the pen and gave Snoopy the opportunity to bust off one of the great verbal punchlines in the strips history. (Also made me wonder if he ever ate with his feet.)