Funktuation is the usage of bodily functions as punctuation in a sentence or situation. Particularly colorful farts and/or belches can often be substituted for traditional punctuation options. When attempting to prove a point or simply add a nice flavor to conversation, funktuation is the way to go.
"OMG. Your funktuation is overwhelming my entire central nervous system."
"We were really hitting it off until we started talking politics and she funktuated her frustration."
"I was definitely winning that argument until Sebastian funktuated his rebuttal with a particularly juicy wharbler."
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.