Knock, knock.
Who's there?
Esteban.
Esteban who?
If you do not open the door, Esteban you!
Knock knock.
Who's there?
Abajo.
Abajo who?
I have abajo of water with me.
Why were the Twin Towers knocked over? Chuck Norris was leaning on one of them.
"Knock knock?"
"Mustache."
"I mustache you a question, but I'll shave it for later!"
"Knock, knock."
"Who's there?"
"Aarghraawa."
What's the only punch that can knock out a 21 year old?
A Sandy Hook.
Why did Sarah fall off the swing? She had no arms.
What did Sarah get for Christmas? I dunno, she hasn't opened it yet.
Knock knock...
Who's there?
Not Sarah.
Knock, knock. Who's there? An armless person. Why? They got stumped on why they contacted you.
Knock, knock.
Who's there?
Boo.
Boo who?
Don't cry, it's just a joke!
Knock knock. "Who's there?" "Grandma." "Oh, okay."
Nah, it's a penis.