Roffalmow Share definition Flag Roffalmow (also typed Roflmao) means 'rolling on (the) floor laughing my ass off. It's like Roflmao but said like one word. Person1: Hey dude she got nailed with that hammer! Person2: Roffalmow! Roffalmow by Qloor July 27, 2007 0 0 Get merch Get the Roffalmow mug. Buy Now — $32.95 See more merch