When obese woman who have fat in the cankle/foot area where pumps or any strap shoe and the fat is squeezed between the opening of the shoe. Generally very unpleasant to view. It looks as if bread does after it is baked. Hence the name.
This quote is derived from the Arabic old saying: لا تبيع خبزك على خباز. It’s used as an expression of wisdom and knowledge when said by you. Yet, when said to you it’s a warning that means you’ve been caught.