iykyk 

If You Know You Know

Last nights party was crazy #iykyk

iykyk by catlover29 December 4, 2016

Iykyk 

If You Know You Know

*reference to something*
Iykyk

Iykyk by Childish_Timmy June 20, 2019

iykyk 

it means: if you know, you know
usually it's associated with sarcasm and eye winks

look at this meme: iykyk

iykyk by JoehasaHughJass January 2, 2022

iykyk 

secret melodramatic girl language; used to cite drama, inside jokes, and the stirring of pots.
has potential to create copious amounts of fomo

last night was crAzYYyy;)) iykyk

iykyk by boardinbish September 29, 2019

iykyk 

Well iykyk if you don't, you don't.

Nobody:
Absolutely no one:
Quirky girl: *Vine Reference* ahaha iykyk

iykyk by IHaveASmallPP January 8, 2020

iykyk 

iykyk

Also a Tiktok trending hash tag, iykyk stands for IF YOU KNOW YOU KNOW.

If you were there, you'd know, but if you weren't, you wouldn't. Simple teenage stuff...

The party was cray cray! #iykyk

iykyk by Lil Mitts July 25, 2020

Iykyk 

If you know you know

Iykyk the joke.

Iykyk by Queenscorpio94 July 2, 2018