fgandwich Share definition Flag fgandwich, more commonly known as a 'fucking good sandwich'. Fgandwich - Pitta bread stuffed with chips, chicken, mayo, salad and garlic. The best fgandwhich's are found on the island of Ios, Greece. fgandwich by sexy_sandwich October 13, 2008 0 0 Get merch Get the fgandwich mug. Buy Now — $32.95 See more merch