A widely used term that can be meant for many occassionas as in : hello,how are you,who are you,what is this?, really? etc etc. There are no limitations to the term "niggas in my face"
Yo dustin,i think there is someone in the backyard
There is?....YO! Niggas in my face!!!
A saying used by people who think that their nigga actually is innocent even though they probably actually broke the law
Person 1: "Ayo free my nigga dog who ain't do nothin"
Person 2: "Aye fam what he do?"
Person 1: Nah dog he ain't do nothin. He only shot 3 people and stabbed the asshole of a puppy. Yo free my niggaz dawg"