When the poo juice seeps out of the asshole after hardcore anal, and slowly slides down the thigh, then the partner begins to suck it off, referring to the "suction cup"
Noun colloquial ~ A person or individual who like the appliance (A juicer) spews forth and unending barrage of pulp consisting of useless, mind boggling excrement sufficient enough to render the recipient/victim unconscious.
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.