Meaning of :O
What Does :O Mean?:O means "Surprised".
Summary of Key Points
Definition for :O:O means "Surprised". This is the most common definition for :O on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about :O:
2: Quite easy to guess
Adults and Teenagers
A Text with :O
Using :O on a Cell Phone (SMS Texts, Whatsapp, and Yubl)