What did one eye say to the other?

Short Answer: "Between you and me, something smells fishy! 🐠"

Explanation: The joke here is that eyes don't have a sense of smell, but using the phrase "something smells fishy" adds a humorous twist. The emoji of a fish 🐠 further emphasizes the play on words and adds a visual element to the joke. Overall, it's a lighthearted and creative way to respond to the question.