1) a hugefailure 2) a mistake that will likely result in an FML story
Person 1: Man i was sitting on the subway asleep. i woke up just as the door was closing and ran for it. I got stuck and they had to stop the subway. FML
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.