Knock knock.
Who's there?
The interrupting cow.
Interrupting cow wh-
Moooooo!
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Knock, knock.
Who's there?
Owls say.
Owls say who?
Yep, that they do.
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One day a man heard knocking at his door.
He opened the door only to see a small snail sitting there smiling.
The guy picked the snail up and threw it as far as he possibly could.
Three years later he heard knocking at the door again.
He opened the door to see the snail.
The snail said, "What the hell was that all about?"
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Knock, knock.
Who's there?
Kanga.
Kanga who?
Actually, it's kangaroo!
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Knock, knock
Who's there?
I'm Mr, Farter.
Mr, Farter who?
I've brought some insecticides to give to your mother in law!
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What do you call a dumb bunny?
A hare brain.
Fast way to screw up someone's Knock Knock joke...?
"It's open."
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What happened to the tiger who took a bath three times a day?
After a week he was spotless.
What's green with bumps?
A frog with the measles!
Knock-knock
Who is there?
A shattered penis with many diseases.
What kind of illness?
Gall, Aids, Gonorrhea, Syphilis...
Enough, it is the best present for my mother in law.
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Joke has 63.58 % from 608 votes. More jokes about: black humor, health, knock-knock, mother in law, vulgar
"Have you heard my knock-knock joke?" asked the blonde.
"No," said the brunette.
"Okay," said the blonde, "you start."
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