Fomofuck Share definition Flag Someone you sleep with only for the fomo. He was on that show on HBO so even though the date wasn’t going great we hooked up so I would have the story. He was a total FOMOFuck. Fomofuck by Morgan Stabley February 27, 2022 0 0 Get merch Get the Fomofuck mug. Buy Now — $32.95 See more merch