The inability to give the correct answer, even if there isn't one. And you know no matter what answer you give, it's WRONG!
Boss Man: Mark?
Mark: Yes?
Boss Man: What's 1+1?
Mark: I don't know.
by Steve Monty May 24, 2007
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The answer you get from about every 6 year old...
Mom : Johnny apples or bannanas?

Johnny : I don't know!
by Kakashi_works_at_amazon_tiktok December 13, 2020
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What's 2+2?
I don't know.

Are you gay?
I don't know.

Wanna have sex?
I don't know.

Ching Chong Egg Roll?
I don't know.

You like Urban Dictionary?
I don't know.

Why do you keep saying I don't know?
I don't know.
by DaroachSX April 4, 2009
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An almost sarcastic response to something so seemingly simple you shouldn't have to ask the question to begin with. Could also be an affectionate term meaning again that the answer should be obvious but you just missed it. It is said so quickly, it almost sounds like one long word.
"He's owes me money that's why you haven't seen him. You don't know? He better not come around here".

Guy to his girl "I love you shorty, you don't know?"
by Isis4aday May 20, 2008
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When you really don't wanna talk to someone, hit them with an I don't know. Or if you really don't know, then hit them with an I don't know too.
Slobeater66-- What's our homework?

Bitchslapper69--I don't know

Slobeater66--K
by squidward with scoliosis May 10, 2018
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A passive aggressive way to avoid actually asking a question directly.

Also: A passive aggressive technique to make an assertion, give direction, make a suggestion.
I don't know if you're going to take out the trash. It's in the garage.

I don't know if you like your shoes with that outfit.

I don't know if you wanted that chicken sauce on your shirt.
by OriginalDookie July 11, 2017
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The third baseman on Abbot & Costello's baseball team in St. Louis.
Costello: If I mentioned the third baseman's name, who did I say's playing third?
Abbot: No, Who's playing first.
Costello: Stay off of first, will ya? What's the guy's name on third base.
Abbot: No, What is on second.
Costello: I'm not asking you "who's on second?"
Abbot: Who's on first!
Costello: I don't know
Both in unison: THIRD BASE!!!!!!!!!
by pleesedu naht ask May 29, 2006
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