This word can refer to and be used in place of any noun in the english language. Usually used to substitute for an unkown word when the speaker or writer is confused about the proper noun. This word was first used in 1964 when "Screwy Louie" asked a padestriant for directions to some place he couldnt recall the name of.
Person 1- Um, could you tell me how to get to the Wachacallit?
Person 2- Sure. Just stand in the middle of the road, bend over, and grab your ancles.
A word used when the actual name of the object in question will not come to mind. Very versatile but often very vague. It is derived from the phrase "what-you-may-call-it" which can be found in T. H. White's The Once and Future King.
Claire- "Hey, Adam, hand me the- the- you know, the whachamacallit."
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.