I don't know about all that 

An expression indicating extreme doubt, often implying that the suggested idea was a terrible or unwise one.

"Dude, would you do acid if I offered you some?"
"I don't know about all that."

I don't know about all that by Paul L-K (while blunted) March 22, 2005

i don't know 

the foundation of a relationship

what are you lookin at? i don't know! what were you just talkin about? i don't know!

i don't know by leonidas300 August 6, 2007

I don’t know too much about that 

It’s basically disagreeing with someone’s idea or statement

Friend 1: Hey, I found these cool suede pants at a thrift store. What do you think?
Friend 2: I don’t know too much about that

I don’t know too much about that by sandrafizzle January 23, 2020

i don't know what to search

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."

i don't know what to search by Solve that problem! Right now! April 12, 2021

I don't know 

what student's always say when they don't study

Teacher: Billy, what do students always say when they don't study?
Billy: I don't know
Teacher: That's right!!!

I don't know by maureen lewis April 21, 2004

Tell Me Something I Don't Know 

TMSIDK is the abbreviation of Tell Me Something I Don't Know. To show sarcasm at the obvious.

Person 1: "It's raining out"

Person 2: "Tell Me Something I Don't Know"

Can also look at sites like www.tmsidk.com for more info.

Tell Me Something I Don't Know by agnoster August 19, 2010

i don't know 

something you can say to ANY QUESTION EVER.
this can never fail, especially if you weren't paying any attention to what the dude was saying in the first place

NICK: ayyyy what up, mayne?!
ME: i don't know.

LISA: where'd you get that haze from?
ME: i don't know.

AARON: DUDE!!! is that my wife under you??!!?!?!?
ME: i don't know.

LISA: is that a mexican in your room?
ME: i don't know.

i don't know by ilikethatpanda June 15, 2010