EFBBW Share definition Flag Extremely Fat Big Butt Woman, It is basically 1 step higher than a ssbbw. extremely obese about 400 pds to 1200 pds Look at those EFBBW's that is just nasty, why are the eating 10 Mc Donald's big Macs EFBBW by lil dada 09 September 15, 2009 0 0 Get merch Get the EFBBW mug. Buy Now — $32.95 See more merch