One who is adept at performing an action, usually piloting an automobile, one handed, while the other hand is engaged in an altogether unrelated activity, most frequently something rude or illegal.
Me: Shit Lisa, how can you smoke all that draw while driving a Chevy Tahoe?
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.