FBF syndrome Share definition Flag More commonly known as Frozen Bitch Face syndrome. This is where a girl always has a frosty bitchy face whatever the mood she is in. Her face never changes. That's because she has FBF syndrome. FBF syndrome by a_fool July 5, 2019 0 0 Get merch Get the FBF syndrome mug. Buy Now — $32.95 See more merch