roomfall Share definition Flag "rolling-over-on-my-fuckin-ass-laughing-loud" Thus falling in room from laughing so much- chat term, LOL or ROOMFALL it was much funnier than LOL, it was so funny i was a ROOMFALL. roomfall by Ben Youngblood January 3, 2005 0 0 Get merch Get the roomfall mug. Buy Now — $32.95 See more merch