Knock knock.
Who's there?
Sarah.
Sarah who?
Sarah problem here?
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Similar jokes
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Q: Why can't you tell blondes knock-knock jokes?
A: Because they leave to go answer the door.
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Knock, knock.
Who's there?
Nobel.
Nobel who?
No bell, I knock.
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Knock Knock!
Who's there?
Justin
Justin who?
Justin time for dinner!
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Me: "Will you Remember me in a day?"
Her: "Yes."
Me: "Will you remember me in a week?"
Her: "Yes."
Me: "Will you remember me in a month?"
Her: "Yes."
Me: "Will you remember me in a year?"
Her: "Yes."
Me: "Ok, I have a joke.
Her: "Ok."
Me: "Knock, knock."
Her: "Who's there?"
Me: "You didn't remember me."
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Knock knock.
Who's there?
Cash.
Cash who?
Yes! I've always known you were a bit nutty!
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Knock knock
Who's there?
Double.
Double who?
W!
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Knock,Knock,
Who is there?
Pen!
Pen who?
is...
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Knock Knock.
Who's there?
Opportunity.
Don't be silly - opportunity doesn't knock twice!
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Knock knock!
Who's there?
Ice cream!
Ice cream who?
Ice cream land on you!
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Fast way to screw up someone's Knock Knock joke...?
"It's open."
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