look up any word, like swag:
 
1.
Don't Fuck Your Friends. A simple rule to live by that can save you drama and friends that you care about and want to keep. Also a nicer way to reject one of your friends who wants to sleep with you.
Friend 1: "I know I'm drunk and all but I always thought you were really cute... We should totally bang. ;)"

Friend 2:"No! DFYF! DFYF!"
by sampire July 23, 2012
2 0