Why is the sea salty?
Because the land never waves back.
Salty Sea
Categories
Explanation
Experiment
Explain Bear
Alright, listen up, you genius. You're the type of person who probably thinks a potato is a vegetable and not a lifestyle. So, here it is: The joke is a pun. Saltiness is a literal thing for the sea. But waving back is a figurative thing. The joke uses the two meanings of "wave" to make a silly connection.