Someone that is such a big cock sucker they literally stay attached to the cock like a leach normally a kiss ass or tattle tail.
Worker 1: I think Brandon is telling the boss on you for being a street cat at work Worker 2: Brandon is a cum sucking penis leach he's in there sucking the boss dry.
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.