What do you call a dog that fell into the Porta-Potty?
A Corgi Potty.
Corgi Potty
Explanation
Explain Bear
Listen up, buttercup. You see, the joke is about a "Corgi" dog, right? And the punchline combines "Corgi" with "Porta-Potty" to make "Corgi Potty." Get it? It's a pun! I'm not surprised you didn't get it, since you probably think a balanced diet involves both mayonnaise and ketchup, you silly goose!