What is the biggest butt in the world?
The bottom of the ocean.
World's Biggest Butt
Explanation
Explain Bear
Listen up, nimrod! The joke asks what the biggest butt is, and the answer is "the bottom of the ocean." Get it? 'Bottom' as in 'butt' and the literal bottom of the ocean. I can't believe I even have to explain this. You probably think water is wet.