Lmfpw Share definition Flag Laugh my fucking pants wet Did you ever had to laugh so hard you pee'd your pants?(a little) now we have THE response via text! LMFPW!! Its the new solution for your textingproblems! Lmfpw by The-one- August 7, 2012 0 0 Get merch Get the Lmfpw mug. Buy Now — $32.95 See more merch