DFF meaning is ‘drugs for fun’ therefore you’re taking them to have fun and simply be the life of the party essentially.
by Friedmindsett December 24, 2021
DFF is a term used in military and video games, and stands for "Don't Fucking Flinch". Typically is used when talking to people that are hesitant to pull the trigger.
by Papa Fubar February 28, 2019
"I only came here to do three things, DFF. Drink some beer and kick some ass...and I'm almost outa beer...and wheres your girlfriend?
by Stuballs12x April 09, 2013