The term 'Booyakayashakaya' is often a term unknown to the world, but known to a limited group of people, unfortunately. The term can define anything, from people, to emotions, to defining the randomest of situations in one simple shout.
Booyakayashakaya is a noise more then a word, you can use Booyakayashakaya at any moment of your life in any situation. Even when your alone or with a group of people
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.