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