in Best Jokes Collection 25 Best Knock Knock Jokes that are Absolutely Hilarious 111.6k Views #8 Leaf who? – Knock, Knock.– Who’s there?– Leaf!– Leaf who?– Leaf the house, you’re not the owner anymore! Pages:Previous 12345678910111213141516171819202122232425Next See more Previous article The Tell-Tale Sign Next article Where’s My Tractor?