A smutty round robinemail (usually slideshows of womens genitalia made to look like kebabs or turkeys), which successfully evade the attentions of the office IT police.
Geoffs latest scudmail was a powerpoint slideshow of really drunk tramps who had apparently shit themselves - it went down a storm in with the accounts boys.
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.