Erect to the point of your penis feeling like it’s going to explode. It’s a sign of youthfulness.
Robert: I saw her ass and I swear I felt precum come out of my engorged penis.
Arthur: Wonderful. I hope you don’t bust a fat nut the next time you see a nice butt.
Robert: My dick does what it wants to do.
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.