Knock knock.
Who's there?
Ididap.
Ididap who?
That's the joke, you did a poo!
Why did the Pikachu say "Pi"??
He had to use the bathroom!
Poopies in my undies.
What did the kid say to the toilet?
"Did you order a number two because I got one ready for you?"
Snort poo poo.