fmlrita Share definition Flag acronym for Fuck My Life Right In The Ass. Billybob: "dude i didnt study for the final!!!!! FMLRITA!!!!!!" Bobbysue: "haha sucks for you!!!" fmlrita by alex ebb April 16, 2010 0 0 Get merch Get the fmlrita mug. Buy Now — $32.95 See more merch