A portmanteau: name of the Celtic hero "Cuchulain" and "flinching". It was said that the hero swore that the day he would be seen drawing back in front of an enemy'sword he would give up his belligerent way of life and start growing daylilies.
Used in oaths of similar value and/or content.
My pledge to you is that the day you catch me cuchuflinching I'll give up my current position and start knitting.
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.