When an object (usually of desire) is too much to be handled to be simple described as gigantic or humongous; what x-large is to large, gigongous is to xxx-large; what j-lo's booty is to william hung's face; more of an active expressive adjective than ginormous or gimongous.
Everytime the camel takes a step, the lady's boobs slap her own face. Why is that?
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.