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