This act is very similar to the act of throwing shade. Instead of just having an attitude, however, you raise a small drink umbrella (commonly found in cocktails) above the person you wish to throw shade at and reprimand them for what they have said.
Isaac: Is Queen B's new album perfect or what?
Griffin: It's okay, I guess.
Isaac: *umbrelling Griffin* You can go.
When you upset some Russian people they will pay you a visit with a "novichok" umbrella to teach you a lesson.
Sam upset some Russian business men last week and they sent a few colleagues to umbrellaise him. Poked with a poisoned umbrella hence he'd been umbrellaised.
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.