While drinking a coffee from Tim Horton's, you roll down a girl's panties and proceed to give a rim job. The chances of her achieving orgasm are consistent with the current odds of Roll up the Rim.
Man, I was giving this bitch a roll up the rim job, but she didn't cum.
Ah, don't worry dude, chances are only 1 in 6 this year.
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.