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