The second (or subsequent) boyfriend from Mexico for a girl or guy who is probably white and also may have a Latin fetish. Shortening of "Next Mexican Boyfriend." Not meant in an anti-Mexican manner. See also Exican.
Susie: "I have to find a new boyfriend. Things have been dry around here since the Exican and I broke up."
Jennie: "I know a good-looking bartender. He'd be a good Nexican for you, Susie."
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.