the airborne mutation of the terrible cranial disease yeulgeis
carriers generally deny any form of illness, and this denial causes the yeulgeis to mutate and spread.
-resembles black mold, clings to refrigerators, and household appliances, and anywhere where a host is in contact.
'LOOK! the black angus yeulgeis!!'
'oh no! cover your mouth, or the black angus yeulgeis might get cha, har har har'
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.