If you dream of back-biting about someone, shows that you will be in a trouble if you will not stop doing something you are doing at the moment. Make sure you think of your own actions, because the consequences will be terrible. This might mean that every little mistake you might do will be very unpleasant. If you dream that someone is back-biting about you, means that you will suffer of troubles in your family life.
Read more about dreaming of Back-biting in other dream meanings interpretations.