You are being a chiggum when you get to talking really fast about something because you are so excited about it. This is especially true when you boast about your own accomplishments or your children. Usually it is about something that others....well, they just don't care about!
"I am having such a great week! I power-walked the enter mall yesterday, four miles! I was unstoppable! Oh, and on Thursday my son aced the spelling bee! He's almost 14 now, and his hard work has really paid off! We'reGoingToKansasCityfortheNationals! AreYouListening?!"
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.