Where you take a little bit of tuna, apply it to the head of the penis. Then, insert in to the vagina. Next, ejaculate. Finally, you must enjoy by eating it.
"DUDE! I gave Ashley the biggest tuna pie last night!"
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.