A phrase used as a farewell, when the experience shared has been of unique, experimental, or strange phenomenon. Also, a manner of stating that surreal time frame has been shared between two or more peeps.
johnny; "I am outtie to AZ. Peace, it's been real."
This farewell is a truncated version of the expression "It's been real, it's been fun. Just hasn't been real fun!" It is not necessarily a slight to the person you are leaving, but more of the situation or experience that you have just shared.
While being dropped off after a car ride with a friend during which you helped him change a flat tire and ran out of gas - you turn to him and say"It's been real!"
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.
Man, I just watched the funniest nutshot video ever.