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