BFML Share definition Flag Acronym for "butt-fuck my life", reserved for moments of extreme dispair. It's like FML, but with a little extra humiliation. Guy: "I walked in on my girlfriend cheating with my dad. BFML" BFML by toad666 August 18, 2009 0 0 Get merch Get the BFML mug. Buy Now — $32.95 See more merch
