For those who have never experienced it, no description will ever suffice. For those who have experienced it, no description is needed.
Q: How does one explain gender dysphoria to cisgender people when they don’t understand?
Gender Inferiority
...it's a sense that I will never fit in to either of the binary genders in a way that allows me to feel I am expressing my true self, and at the same time, be affirmed and accepted as that gender.
Gender World 