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.