IK
I know
Example
IK, that class is so boring!
This page explains what the acronym "IK" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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IK is an acronym that stands for "I know" and is used online in chat rooms or when gaming and in text messages. It is commonly sent to communicate to a person that you already know the truth from his previous statement.
IK may come across as smug and may make you sound like a "know-it-all," depending on the context in which it is used. IK is the opposite of the super popular IDK.