An abbreviation for "I don't know," but some people don't know what it means, they will never know the truth.
Person 1: do you know what idk means?
Person 2: ye
Person 1: What does it mean?
Person 2: I don't know.
Person 1: But you said you knew!
Person 2: I do tho..
Person 1: I'm done, this is a fricking joke isn't it *leaves*
Person 2: wat
A word that you might write when you want to say "I don't know" when you are lazy.
Guy 1:Who is the person behind the screen?
Guy 2:idk
Idk-meaning I don't know.
Idk where my coat is
I don't know where my coat is