Pocoyo

Alright, listen up, you chucklehead. The joke is in Spanish, and it's a play on words. The setup is "Don't you know the Pocoyo joke?" Then, the punchline is "So Pocoyo". Since "Pocoyo" is a proper noun and also sounds like "poco yo" which means "little me", the joke implies that the joke is so much "Pocoyo" that the joke is only about the character Pocoyo. Bet you didn't know that "Pocoyo" is a Spanish preschool animated television series created by David Cantolla, Guillermo García Carsi, Luis Gallego and José María Castillejo. That's right, I know things. You probably thought Pocoyo was just some random cartoon.