keep it real

verb3

1. •
   To perform an individual’s experience of being black in the United States.
2. •
   (informal) To be authentic, to be true to oneself; to be cool.

   • You can trust Pablo. He always keeps it real.
3. •
   (informal) In the imperative, an exhortation used as a departing salutation.

   • A: I'm out, bro. B: Keep it real, son.