Here are the silliest and most ridiculous knock-knock jokes that will have you and your friends groaning or busting a gut with laughter: Knock, knock Who''s there? Tank Tank who? You''re welcome Knock, knock Who''s there? Dwayne Dwayne who? Dwayne the bathtub, I''m dwowning Knock, knock Who''s there? Amish Amish who? Awe, I miss you, too. Knock, knock Who''s there? Gorilla Gorilla who? Gorilla me a hamburger An sooooo... many more