ROFFAP Share definition Flag Rolling on the floor fapping. It's pretty much a cooler way of saying ROFL. Person 1: LOL LOOK AT THAT GUY, HE LOOKS LIKE JUSTIN BIEBER Person 2: ROFFAP ROFFAP by ANNOYING.PEAR July 28, 2010 0 0 Get merch Get the ROFFAP mug. Buy Now — $32.95 See more merch