"Knock-Knock" "Who's there?" "Boo" "Boo who?" "Why are you crying?"

Knock-Knock Why are you knocking? I've got a doorbell

Knock Knock. Who's there? Ketchup. Ketchup who? Ketchup to ya later!

Knock Knock. Who's there? To. To who? To you.

Knock Knock! Who's there? Who! Who who? You must have the stammers!

Knock knock Who's there ? Scold Scold who ? Scold out here, let me in!

Knock-Knock. Who's there? Sara. Sara who? Sara doctor in the house?!

Knock-Knock. Who's there? Avon Lady, your door bell is broken.

Knock-Knock Who's there Jack Jack Who I don't know any jack

Knock knock Who's there? Mayonaise Mayonaise who? Mayonaise a lot of jokes on this website.

Knock-Knock Who's there? Orange Orange who Orange you tired of hearing the same stupid jokes about oranges?

How to break up a dating couple: Knock-knock. Who's there? Orange. Orange who? Orange you glad I dumped your girlfriend last night?