Knock knock. Who's there? Hal. Hal who? Hal will you know if you don't open the door?
Me: Knock, knock.
Teacher: Who is there?
Me: Boo.
Teacher: Boo who?
Me: Stop being a crybaby and open the door!
Teacher: ......
Me: Aw man, detention again.
Knock knock.
Who's there?
Orphan.
Orphan who?
Are you my mommy?
Knock knock.
Who's there?
Gay.
Gay who?
You're gay.
Knock, knock.
(Who’s there?)
Roger.
(Roger who?)
Roger walks away, silently sobbing, having realized his mother’s Alzheimer’s is getting worse!
Why did the chicken cross the road? To visit the idiot.
Knock knock.
Who's there?
The chicken.
The chicken who?
*Silence*
Knock knock.
Who's there?
The butt.
The butt who?
The butt goes mooooo!
Knock, knock.
Who's there?
Stranger.
Stranger who?
Stranger, why are you in my house masticating my apparent dead wife?
Knock knock. Hwoo's there? Far from home. Hwoo's far from home? Spider-Man.
Why did the octopus cross the road? To get to the douchbags house.
Knock knock (It’s the octopus)
Knock knock!
Who's there?
Doctor.
Doctor who?
knock, knock whos there shhhhhhhhhh shhhhhhhhhh who? shhhhhhhhhhampoo!
Knock knock. Who is there? Poo. Poo who? Hey, I need ta go poooooooooooop!
Knock, knock.
Who's there?
Fishes.
Fishes who?
Fishes the police, come out with your hands up!
"Knock knock."
"Who's there?"
*slaps* "We ask ze questions!"
Knock, knock.
Who's there?
Bum.
Bum who?
Bum holding a pistol!
Hi, um okay... Knock! Knock! Who's there? Doris! Doris who? Doris look I need the key!
Um...oh here another one! Okay...so sorry I type random things on these joke sites...anyway...okay. What is a book never written: "Beautiful sites of the corel rife written by the ocean!"
Why did the chicken cross the road? To get to the idiot's house.
Ok, wanna hear another one? Okay. Knock knock. (Who's there?) The chicken from the other joke.
"Knock knock." "Who's there?" "You're." "You're who?" "You're parents left you."
Knock, knock.
Who's there?
Madam.
Madam who?
Madam foot got caught in the door, can you please open it!