Basically an upgrade from Nigga or Bitch Nigga.
It's a person who is whack at everything, is always broke, always asking for someone to spot em at a restaurant etc.
'You know what? You're a doo doo ass nigga... pay for your own goddamn food man.. damn.'
Jason: Yo whats good bro
Jaquavious: STFU wit yo shit ass fuck ass buttcheek doo doo fart ass
Jason: why bro
Neglanta: sheesh mcgee he just flamed yo ass
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"