A wrestling move wherein the wrestler delivers an axe kick to back of an opponents head and then follows up by doing a helicopter spin off of the mat. Term originally coined by Donna Purin, first appearance in "Jim's Nitro Notes" internet wrestling column by Jim "Suldog" Sullivan, later used extensively by announcers for both WCW and WWF (WWE).
Jerry "The King" Lawler - "Spinerooni! Spinerooni! Spinerooni!"
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.