Define I Don't Know What Meaning

English translation of a popular French phrase, used in reference to an unknown or illogical attraction one has to a person, place, or thing.

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 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.

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"

A phrase used by anyone who knows it. which displays a "I don't care, but i do at the same time" feel when its said.
The X can be replaced with anything, but depending on what X is changes "what" and "means", if its a person, it would instead be "who" and "is".
Usually saying this phrase, they put on a depressed tone and slur their words, specifically "sounds", and "disappointing". Usually said like : "Soounds Disappoooointingg..."

This phrase is tagged to the end of one's speech in order to reveal an innuendo or undertone. It is expressed with a wide-eyed expression and a tone of confusion. It is often synonymous with "That's what she said".

Unlike "That's what she said", it is proper for one to add this phrase to the end of his/her own speech, as well as for others to do the honor for him/her.

A new phrase thats rapidly gaining in popularity, this is used to describe ones condition if one is utterly confused, wasted, high, or just plain out of it. Its often used to describe situations that have already happened but is not limited to that. There are many variations, a few of the more common ones are following:

-I don't know what hole to put my dick in
-I can't even tell which hole to put my dick in
-I put my dick in all the wrong holes

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.

Well clearly that's false.

Write this when you have absolutely no idea what to write.