To be pissed off, only legitimately. For instance one could become irate over something as trivial as the shirt a person wore. However, someone who is legissed would be pissed over something such as an ex selling away their entire Golden Age comic book collection.
Man... I swearDave told everyone about my money troubles after he swore he wouldn't, I'm so effin legissed at him right now.
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.