A traffic accident involving a (usually illegal) immigrant from Mexico who was driving recklessly and does not carry insurance - and usually not a license, for that matter - leaving you stuck with the whole bill even though it was not your fault.
I got stuck with a caved in passenger door and a $1500 shoptab after that Mexident coming back from the store.
An accident or breakdown involving a poorly maintained vehicle that causes an interruption in traffic flow in a community (likeLos Angeles) populated with a high percentage of illegal aliens.
I'm going to be late for our meeting, there's a Mexident on the 405.
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.