O phrase often used by black people, or niggrous apeious, to express desire for the other party to shut the fuck up...as it were, or to express shock and awe at the previous statement, or simply to ask the other person to leave.
Jamal: Yo Bitch, you fat!
Bitch: GET OUTTA MA FACE WITH THAT STUFF
Tyrone: Hey mamma! We all outta arange soda
Mamma: GET OUTTA MA FACE WITH THAT STUFF!!!!
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.