What Does DFF Mean? (Using DFF Online)DFF means "Don't Forget to Flush".
Definition for DFFDFF means "Don't Forget to Flush". This is the most common definition for DFF on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about DFF:
|Definition:||Don't Forget to Flush|
4: Difficult to guess
Adults and Teenagers
Using DFF on a Cell Phone (SMS Texts, Whatsapp, and Yubl)