DR ELMORE I think on some chat boards F/F stands for Flames and Freaks which is used for trouble making posters who have no real reason to be on a site except to cause trouble or be mean....i.e. - 3DDIFFUSION.
Flames and Freaks? That is charming.
I've also fould these definitions:
F/F Female/Female
F/F Fully Furnished (apartments and rentals)
F/F Flip-Flop
F/F Frame Format
F/F Factory Fitted
F/F Friends/Favorites
F/F Fleet/Force
and this:
F&F Friends and Family (mobile phones)
F&F Fast and the Furious (movie)
F&F Fox and Friends (TV show)
F&F Full and Final (settlement)
F&F Forgive and Forget
F&F Furniture & Fixtures
F&F France and Flanders
F&F Fit and Finish
F&F Florence and Fred (UK clothing brand)
F&F Fire & Forget
F&F Fuzing and Firing
F&F Fix and Follow Vision
F&F Feetsinkers & Friends
F&F 1st and 15th Entertainment (record label)
F&F Fixtures and Fittings
F&F Flavor and Fragrance