If someone calls you two faced they are saying that you are not trustworthy and you could be a backstabber.
Maybe you act one way with one group of friends and one way with another group? Some people look for anything to criticize and will complain no matter what you do. You can’t be friends with everyone, so don’t even waste your time trying to be.
Next time you are called two faced, use one of our great comebacks and shut the person up. Let us know what you think is the best answer.