When a situation, something or someone has the potential to be a whore but the subject unluckily or unexplainably come short of becoming a potential whore.
The fact Amber didn't want to try ass to mouth last night is quite unwhoretunate.
Was about to shove my schlong down Sara's eager mouth but unwhoretunately her 4 yr old son woke up and walked in on us.
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.