CB Bulge Share definition Flag Cunt Blob: The fat that is located just above the crotch line and below the belt line. Found primarily on women but funnier when found on a man. "Check out the CB Bulge on that one!" CB Bulge by rob1116 March 10, 2008 0 0 Get merch Get the CB Bulge mug. Buy Now — $32.95 See more merch