What Does >O< Mean? (Using >O< Online)>O< means "Yelling".
Definition for >O<>O< means "Yelling". This is the most common definition for >O< on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about >O<:
4: Difficult to guess
Adults and Teenagers
Using >O< on a Cell Phone (SMS Texts, Whatsapp, and Yubl)