FCZ Share definition Flag When you live in the Czech Republic (CZ) and then you live in the USA for while and return to the CZ and it's no longer the 'CZ', it's now the 'FCZ' because it fucking suck. I can't believe I have to wake up to another day in the FCZ. FuckShitFuckShitFuckShit. FCZ by redis12 March 11, 2012 0 0 Get merch Get the FCZ mug. Buy Now — $32.95 See more merch