extreme confidence in ones sexual prowess that often times leads to premature ejaculation and occasional injury of the vagina or the general vicinity of the groin. Vaginal Hubris is often a gateway crime to prostitution.
Shaniqua's vaginal hubris led to the contraction of herpes, syphilus, and a lazy eye on account of an overexcited sperm missile (pronounced miss-eye-el) to the optical nerve.
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.