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