IYKYK

Gen Z Slang

Definition

Acronym for “if you know, you know,” signaling an inside reference understood only by those with the context.

Examples

"Ask for the off-menu chili oil at the dumpling spot— IYKYK."

"When the beat drops at 2:47 in track five, IYKYK."

"That post-credit tease in episode seven— IYKYK."