Grillday Share definition Flag Grillday is on the 29th of February but only when the 28th was a Friday. Thus it only happens once every 28 years. What you doing on Grillday?I can't wait for Grillday. Grillday was mental mate. Grillday by Granta Glaus January 31, 2020 0 0 Get merch Get the Grillday mug. Buy Now — $32.95 See more merch
