1. Phrase used to command someone to back up or cool down

Ignorant Person: A dawg you was that nigga that was talking to my ex at the party. So you gon' disrespect me and talk to her, knowing she was my ex?

Person 2: Mane you getting real hype for nuttin'. Get out my face with that s#@t

Ignorant Person: Naw mane, I hate n!ggas that try to disrespect me!!!

Person 2: N!gga FALLBACK d@mn it ain't worth it!

2. Get Real

Corny dude: A baby, you know you wanna talk to me.

Fine Chick: (ha ha) N!gga FALLBACK!