What is say it to my face?

"Say it to my face" is a phrase often used to challenge someone who has been speaking negatively or disrespectfully about someone else behind their back. The speaker is essentially daring the other person to repeat their words directly to their face. This expression can be used in confrontational situations, but it can also be used in a casual, playful way among friends. It is a way to encourage honesty and open communication between people.