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