This caught my eye (corrected link)
And in case you can’t place the first line…
Okay, I know what “doctrinal” means, but I have no idea how it applies here.
Unless this is a very roundabout way of saying “kosher,” which doesn’t make a cat’s whisker of sense.
Presumably Mom was playing “stray cow” when she was in Texas, but…
Why “Crazy Uncle Carl”?
And what’s the actual joke?
The fourth panel, of course.
Okay, but… if his gym teacher is a dinosaur, what’s the joke?