penisforl Share definition Flag Another word for Penisrofl which means to roll on the floor laughing at the penis size. Lol hey Stacy, I penisforl'd when Johny took out his 3 inch and said "you want this bad boy". penisforl by Alternat90 November 6, 2007 0 0 Get merch Get the penisforl mug. Buy Now — $32.95 See more merch