itk! 

"I too know ". A derogatery term used to describe someone who knows to much and flaunts it in a manner, as to attract attention to himself/herself.

Nnamdi is an itk!, he acts like he knows everything.

itk! by Renovato June 12, 2020

itk 

"in the know" - being savvy about a topic.

When it comes to boards, she's itk.

itk by Horny Toad July 19, 2006

ITK 

"In The Know."

Used by soccer hooligans to describe each other.

oi you see that wanker
yeah i know him, he's ITK

ITK by max hardcore December 1, 2004

itk 

I Tappa Kegga

supposed to sound like I tap a keg.

term used to describe a student who does not belong to a fraternity or a sororeity.

Greek Girl: What frat are you in?

Guy: ITK

Greek Girl: What's that?

Guy: I Tappa Kegga.

itk by babygirlblur March 6, 2008

Twitter ITK 

An football transfer news account on Twitter that pretends that they have insiders at a football club and usually tweet bullshit that their gullible followers will believe. They base their tweets from what other reports are saying and copy and paste it, or they make guesses and once every blue moon they get a deal right which somehow lures in followers.

Football mole (Twitter ITK ACCOUNT) : "Arsenal will sign Mahrez for 35m welcome to Arsenal!"

Actual reliable reports: Leicester want 50m for Mahrez, Arsenal reluctant to pay

*Ends up not happening*

Mole: Oh well the deal broke down I still have insiders and definitely not a bullshitter

Twitter ITK by sploogenut July 10, 2017