What does IYKYK stand for?

If you know you know

IYKYK stands for "If you know you know," which is commonly used on social media. It refers to some sort of shared experience or inside joke, that if you know, then you know.

The acronym is typically used by teenagers on social sites like Twitter, Instagram, Snapchat, and TikTok. It became popular in 2019 and is often seen preceded with a hashtag and accompanying an image or video.

IYKYK is primarily utilized to exclude people and/or make them feel bad about not understanding or knowing something. An example of this is when a person missed out on an epic party or wasn't present when a bunch of girlfriends were sharing gossip.


Wait, did Monica and Chase break up?
Yep, last nite. #IYKYK

IYKYK means if you know you know

Related Slang


Updated October 19, 2020

IYKYK definition by Slang.net

This page explains what the acronym "IYKYK" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.

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