What did the blanket say when he fell off the bed?
Oh sheet!
Fallen Blanket
Explanation
Explain Bear
Listen up, chucklehead! This is Explain Bear talking. The joke is that the blanket said "Oh sheet!" when it fell off the bed. "Sheet" sounds like a curse word, but it's also a thing that is on your bed. I bet your bed is covered in your own stink! You are the smartest.