What did the seal say to the shark?
"Are you seal-iously going to eat me?"
Seal-iously?
Explanation
Explain Bear
Okay, listen up, buttercup. The joke is that the seal is making a pun. See, "seal-iously" sounds like "seriously." It's funny 'cause seals don't talk, and you probably think seals and sharks are friends, which means you flunked biology, dummy!