Teens like to use IYKYK as they feel belonging to an in-crowd. It enables them to bond with their peers by using hidden meanings, jests or experiencing something together. The word also introduces a feeling of fun and mystery making the conversations interesting. Through IYKYK, they are able to lock out outsiders in an effortless fashion and improve their social network. It is not really about secret, it is about belonging and identity. Know more: https://radarro.com/iykyk-meaning/