The process by which one determines a woman's bust strictly by appearance from a distance. This method is also name as BET for short.
The method may involve how much the breast protrudes from the clothing that is worn on the individual. This gives the observer an indication of the volume of the boob.
Further factors may include the height or weight of the person.
Dude 1: Dude, check out the rack on that chick! How big is she?
Dude 2: I dunno man, but let's use the Boob Estimation Technique!
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.