Idkt 

I didn't know that

We can't bring food to the beach

Oh, idkt

Idkt by Riotz Gaming June 5, 2017

idkts 

I don't know this s***

When you don't know what something is. Usually said when trying to answer a quiz/test question.

*you see a test/quiz question that you don't know* Bruh, idkts, where tf did this come from.

idkts by fhk x3 February 19, 2017

idkthend 

the best mutual ever.

omg have you seen idkthend’s page? they’re so hot and funny!

ikr! idkthend is the the best mutual ever!

idkthend by rules2 July 21, 2021

IDKTW 

Abbreviation for "I Don't Know The World",
Meme

"What is the capital city of Sweden?" - "IDKTW"
"Are we still in Kansas?" - "Bark!" (IDKTW)

IDKTW by TwiTwi February 25, 2010

idktf

Internet or text message acronym for "I don't know that feel"

Dick: tfw your dad wants to take you fishing
Jane: idktf

idktf by Qaus January 9, 2015

IDKTMOS 

Acronym standing for "I don't know the meaning of sleep"

Bobert said, "Whoa dude, it's like 4:00 A.M. and you still haven't gone to sleep yet?"
Don replies, "Huh? IDKTMOS. Sorry!"

IDKTMOS by The Real Juan Pablo from Subwa June 24, 2016

Idktbh 

I don't know to be honest

"Do you know how to kill someone in this game?" says little Timmy Respons: "Idktbh dude"

Idktbh by hackster9090 May 14, 2021