What Does ICYDK Mean?ICYDK means "In Case You Didn't Know".
Summary of Key Points"In Case You Didn't Know" is the most common definition for ICYDK on Snapchat, WhatsApp, Facebook, Twitter, and Instagram.
|Definition:||In Case You Didn't Know|
4: Difficult to guess
Adults and Teenagers
Example of ICYDK Used in a Text