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