English translation of a popular French phrase, used in reference to an unknown or illogical attraction one has to a person, place, or thing.
Salvadore: Bro, what's the deal with you and those Tofu dogs you are consistently scarfing?
Yanni: Dude, you got me. They just have this certain I don't know what.
by Holy Moses Roller Brigade March 13, 2008
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Well, if you don't know what to search in the urban dictionary, why not try to solve this problem:

Evaluate ∬ yz+4xydS where S is the surface of the solid bounded by 4x + 2y + z = 8, z=0, y=0, x=0.

S
A: "I don't know what to search so I searched i don't know what to search."
B: "You searched i don't know what to search so that's means you know what to search. Liar."
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Well clearly that's false.

Write this when you have absolutely no idea what to write.
God I'm bored... Let's open google and search "I don't know what to write"
by Harikjay February 6, 2019
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Often used when someone says something that is obviously a wrong/mistake/undependable, and the person who is listening can't say anything to defend his actions.
Jack: I missed the deadline for applying to NYU, because I read the email wrong.

Sam: They gave us a one week extension for that exact reason? Why didn't you submit it.

Jack: I was just so lazy about it.

Sam: I don't know what to say Jack, I guess that's a lesson learned.
by thickjordanianbooty101 February 19, 2021
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A common response that happens when an asker made a point
but the receiving end felt offended and looked down on the question.
Then quipped by the receiving end!
A: Hey any tips on how to make money?

B: I don't know what that means.
by akamemake May 28, 2023
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A phrase used to tell another person to politely say, "I have no interest in continuing this conversation or listening to you complain." In its hardly ever used long form, it would be used as, "I don't know what to tell you to get you to shut up." Extensively used when people present you with a problem, you offer advice to them on viable solutions, but they come up with excuses why they can't follow your advice.
Person A; "complain, complain, complain. My car broke and I can't get to work now. And boss says he'll fire me if I miss another day!"
Person B; "Take the bus."
Person A; "There's no bus route within a quarter mile, and my feet hurt so much."
Person B; "Take a cab."
Person A; "I can't afford a cab with these car repair bills!"
Person B; "I don't know what to tell you."
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A saying that's used to tell someone nicely that nothing is getting done about something,that they simply don't care or that you're "shit out of luck"
Employee: "We have a lot of work and no time to do it" Boss: "I don't know what to tell you"
by battleaxe June 13, 2017
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