A person that will exaggerate deeds or actions, making normal or menial tasks seem exceptional or extraordinary. Typically, expressed towards laymen or someone with little or no experience in the field of the supposed heroics.
Jones wants everyone to think he is a badass because he is in the Navy, but all he does is scrub toilets. He is such a glory hound.
A Woman/Man who is more than willing/eager to have sexual relations with an individual who returns from or are in a branch of the military, simply because they are in the military.
"Ohmagosh, I never really noticed Lance being that attractive in school.. but as soon as he got back from boot-camp, I just can't keep my eyes off of him!"
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.