FeetFlab Share definition Flag The fat that hangs outside, and over a persons' shoe. Ussualy overweight women in pumps. She is so fat that she had to pull up the feetflab to get those pump on. FeetFlab by Pissdick. February 2, 2005 0 0 Get merch Get the FeetFlab mug. Buy Now — $32.95 See more merch