What Does IJDK Mean in a Text?

IJDK means "I Just Don't Know."

The abbreviation IJDK is used to indicate a lack of knowledge or an inability to answer a question. The inclusion of the word "just" adds emphasis and may indicate that the lack of knowledge is despite the best efforts of the sender. However, it may also indicate a lack of interest in finding an answer or a solution. As such, IJDK often means something like "I Don't Know And I Don't Care."

Image for IJDK

When I write IJDK, I mean this:

meaning of IJDK

IJDK (and maybe I don't care either).

Summary of Key Points

"I Just Don't Know" is the most common definition for IJDK on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok.
Definition:I Just Don't Know
Guessability:guessability level 3
3: Guessable
Typical Users:typical user

Adults and Teenagers

Examples of IJDK in Sentences

Here are examples of IJDK being used in conversations:
  • Child: How long until we get there?
  • Parent: That's the 99th time you've asked! IJDK.
  • Richard: Why did it all go so wrong?
  • Emily: IJDK. I've gone over it in my mind again and again.

An Academic Look at IJDK

IJDK is an initialism abbreviation. Technically, this means it is pronounced using its individual letters (i.e., Eye Jay Dee Kay). However, it is not often uttered using its letters. In other words, the abbreviation IJDK is for efficiency in writing and not efficiency in speech.

What Did We Say before Texting and Social Media?

Before the digital era, we might have said something like "I Really Have No Idea" or even "I Just Don't Know" instead of using IJDK.

Example of IJDK Used in a Text

author logo

This page is maintained by the Cyber Definitions Editorial Team.

Help Us Improve Cyber Definitions

  • Do you disagree with something on this page?
  • Did you spot a typo?
  • Do you know a slang term that we've missed?
Please tell us using this form.


Try our fun quiz to test your knowledge of slang and texting abbreviations.
gold cup

gold cup

gold cup

  • This test has questions.
  • A correct answer is worth 5 points.
  • You can get up to 5 bonus points for a speedy answer.
  • Some questions demand more than one answer. You must get every part right.
  • Beware! Wrong answers score 0 points.
  • 🏆 If you beat one of the top 3 scores, you will be invited to apply for the Hall of Fame.
Scoring System

Cyber Guru (+)
Cyber Hero (+)
Cyber Captain (+)
Cyber Sergeant (+)
Cyber Recruit (+)