Not to be confused with the jean noster, a knob noster is when a chick gives a guy a handjob using breast milk as lube. When the guy finishes, she cleans everything up with her mouth, then spits "knob noster" in his face.
When Allison was done giving Adam a handjob with her breast milk, she cleaned off his cock with her mouth, and spitknob noster in his face.
Synonymous with "cocksucker," knobnoster is actually the name of a town in Vermont. Easily used an a vituperative, the work "knobnoster" can act as both a noun or an adjective
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.