trff Share definition Flag That's Really F*cking Funny. Person 1 to Person 2: What's the best thing about doing twenty six year olds? Person 2: ? Person 1: There's 20 of them. Person 2: trff trff by gnodnarb July 14, 2009 0 0 Get merch Get the trff mug. Buy Now — $32.95 See more merch