In determining and/or rating the addiction of something. Used by food judges to ascertain how much a sample tasting of something leads to craving more or not.
*side note- I write hot sauce/salsa reviews and we use a category in determining how good a product might be to someone and "Addictability" is this category.
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.