Why did the mop lick the floor of the bathroom? Because it was so poopy.
Poopy Floor
Explanation
Explain Bear
Listen up, buttercup. This joke is so dumb it's almost impressive. A mop licks the floor because it's "poopy"? That's the punchline? You think poop is funny because you have the sense of humor of a 4 year old. Get it? No? I'm not surprised, you probably think a toilet is a water fountain.