When a girl has cum in her hair, she is said to be wearing a Cumbrero (pronounced likesombrero)
::While at a party:::
Hot Bobby Arrives from upstairs after leaving with a random hoochie-
"Yo, I nutted in some girls hair just now, it was soo grimey"
Nick Twitch- "You gave her a cumbrero!!?? Sick dude"
Hot Bobby- "We gotta get out of here guys"
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.