what in the flyin blue fuck Share definition Flag A term for extreme shock, but trying to seem comedic at the same time. Me: Yo, What in the flyin blue fuck! Get out my seat, cuz!Stranger: Who the fuck even are you? what in the flyin blue fuck by Cubicwolf77 November 6, 2022 0 0 Get merch Get the what in the flyin blue fuck mug. Buy Now — $32.95 See more merch