FYLF Share definition Flag Father You'd Like to Fuck. Of the ever popular acronym, MILF and FILF, only stated in the second person. "Oh my god, Jenny, I know you like older guys, and he is like a total FYLF." FYLF by Un Canadien Errant December 7, 2006 0 0 Get merch Get the FYLF mug. Buy Now — $32.95 See more merch
