IYKYK
What is the opposite of IYKYK? Here is what we hold, with its meaning and related words.
Phrase — If you know, you know: used to mark something as an in-joke or shared reference that will land only with people already familiar with it.
We haven't recorded synonyms for IYKYK yet. You can still read its full definition, where it comes from, or words that rhyme with it.
Etymology
An initialism of the phrase "if you know, you know," which spread through social media captions and comments in the late 2010s.
Full origin of IYKYK →Frequently asked questions
What does IYKYK mean?
If you know, you know. It signals that a reference is deliberately unexplained — people with the shared context will get it, and that exclusivity is the point.
When do people use IYKYK?
Usually at the end of a post or caption about something niche or nostalgic, as a nod to the small group who will recognise it.
