a good friend who, once he or she enters (not like that) a serious relationship, suddenly disappears into the ether to be seen once every six weeks for a coffee or quiet pint before they slink off home early to spend more time with their wretched better half.
eg: ben: "let's get our old buddy cyrano de bergerac down the pub for a few beers"
rit: "you can try, but he won't come; since he met that roxanne girl he's turned into a total couple gay."
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.