Fuyl Share definition Flag Stands for “fuck up your life”; mess up your life, screw up your life, etc. “Should I get with her ??” “Na, she’s one crazy ass bitch, she’ll fuyl!” Fuyl by pussyhandler.dickmaster June 16, 2021 0 0 Get merch Get the Fuyl mug. Buy Now — $32.95 See more merch