ROFLOLWISMP Share definition Flag Rolling On Floor Laughing Out Loud While I Shit My Pants dude1: Hey Dude i have my fist in a cow's ass. dude2: ROFLOLWISMP!!!!! ROFLOLWISMP by Pavel,Mayo. November 22, 2005 0 0 Get merch Get the ROFLOLWISMP mug. Buy Now — $32.95 See more merch