Unfortunately, fuknormous is a natural outcry of a female when she accidentally gets a glimpse of herself in a mirror and realizes she really, really looks fat. Never a good thing, but most likely true. It's a way to self describe that you look enormous. Awful.
V to best gf: oh my god, are you kidding me? I look fucknormous in that window!
Gf: ya kinda sucks, but didn't you say you atelike a pig on your trip to Puerto Vallarta?
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.