What Does :X Mean? (Using :X Online):X means "My Lips Are Sealed".
Definition for :X:X means "My Lips Are Sealed". This is the most common definition for :X on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about :X:
|Definition:||My Lips Are Sealed|
2: Quite easy to guess
Adults and Teenagers
Using :X on a Cell Phone (SMS Texts, Whatsapp, and Yubl)