A person with a weak constitution, little to no redeeming qualities, few positive attributes and no apparentskills or talents.
I emphatically and repeatedly informed my sister's boyfriend that he was Dookiestain McClane as he frequently broke eye contact and weakly smiled in silence having neither the balls nor the grounds to contest such an assertion.
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.