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1.
IKT
IKT means "I Know That".
John: U know, she rlly likes u.
Bob: Yea, IKT, u think im stupid??
by Shrimp782 May 05, 2009
 
2.
IKT
Internet Killed Television. Saying created by Charles and Alli Trippy, CTFxC, on YouTube. It's pretty much true.
"Did you see BlackBoxTv's new episode on YouTube?"
"Yeah! IKT!!"
by treddi August 08, 2012
 
3.
IKT
Short for 'I Knoweth Truly'.

Also seen as a typo of 'IKR', but given a meaning to retain the user's dignity.
Ikt!
by thestarhuntress July 19, 2011