Puzzlewit - a fancy word for stupid. Presidents like insulting each other that way. Roosevelt called “Puzzlewit”Taft. Came recently famous, because of The Daily Show's 23 May2007 edition.
If you've recently booked a return voyage on the RMS Titanic, you might be a puzzlewit.
If you go out on a date with 2 ugly girls and their "Drogaman" friends come by for a game of pool, you might be a puzzlewit.
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.