A combination of nasty (butterface type), Fugly (fucking + ugly, meaning not easy on the eyes at all). So by combining these two terms, you form...God's broken mold...
adj-When you try and show off to your girlfriend by eating healthy, and the next thing you know you’re doubled over the toilet with fire coming out of both ends. After 15 minutes of hell, you look in the toilet and think, “that’s nastyful!”
When I had the flu, my friends dared me to poop, pee, throw up, etc in a plastic bag and by the end I would have something to throw into an elevator when it was about to close so the people would die. And when I was over the flu I looked into the giant rotting g bag and thought, “that’s nastyful!”
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.