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