Fooly Boi Share definition Flag A fella who acts like a gobshite, thinks their hard and usually talks pure scutter. Usually associated with lads from Charlestown That buck just smacked the bouncer he is a pure fooly boi Fooly Boi by MilkMan01 January 22, 2019 0 0 Get merch Get the Fooly Boi mug. Buy Now — $32.95 See more merch