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