This was a real live conversation between my friend V and her almost-three-year-old daughter, T, and it doesn’t get much better than this.
T: >knock knock knock< “Mommy, are you going potty?”
V: (From behind the bathroom door) “Yes sweetheart.”
V: “Why choo-choo?”
T: “Because you’re on the potty train!”
This is pretty much a knock knock joke. She doesn’t even know what one is, but she’s already created one! She’s obviously brilliant. Or a toddler. Either one. (But probably brilliant.