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!!!!
For example, when a Kentuckian is explaining something: I mean, we were at the ranch, listening to Billy Ray Cyrus. You don't know who Billy Ray Cyrus is? Oh, he's a great country star and makes songs about people and, you know, stuff like that (said trailing off in that Kentucky drawl). Go Kentucky BLUE!