When a person forces you into a one-sided conversation that never ends and you can't escape politely.
I ran into Jack at the supermarket and he chat raped me. As soon as he saw me he started talking and I couldn't get away from him. I kept telling him I had to go, but he just kept talking.
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.