FBINLOL Share definition Flag Funny, but I'm not laughing out loud. Used when LOL would not be an accurate statement. Jimmy: OMG, my Coke can just exploded over my keyboard! Steve: FBINLOL FBINLOL by Honest Chat November 25, 2009 0 0 Get merch Get the FBINLOL mug. Buy Now — $32.95 See more merch