A person whom another regards with complete contempt and disrespect, and who is only permitted in the other's presence for the purpose of being sexually exploited.
"She woke me up again with her whining blandishments, what I'd give to sh*tcan this f*cktard."
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.