No, it's not the tomato condiment that you put on your French fries but the express train you ride in the hope of catching the local train you just missed.
Fuck---just missed my 6 train at Brooklyn Bridge. I'll take the catchup to 14th Street---maybe I can pick up the 6 from there.
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.