Pushing a woman (typically a latina) out of your home after performing anal sex. Pushing the woman out of your home can be analogous to a "deportation."
"She liked that anal way too much man! So I had to give her the ol' Mexican Tush-Push so I could get some peace and quiet!"
A sick schonda, where a guy takes his penis and jams it in another mans ass and thrusts back and forth. They embroider each others ass with hershey kisses after and make puppy chow. Ketchup can mysteriously pop up in reckless cases.
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.