What you say to someone who should break off a relationship but feels hesitant to do so.
Sarah: I found out Dan cheated on me again.
Caroline: You should break up with him.
Sarah: I know, but I don't want to leave him. He told me he loves me and that he won't do it again.
Caroline: He's a total scum bag. And you're only sticking around for sex. You need to stop getting under him and start getting over him.
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.