Pioneered around 2002 by Lil Jon and the Eastside Boyz, this is a common thing to yell at someone when they ask "Where are you from?"

Also, very common to yell this at a trap concert in Atlanta, or any concert if you want others to know you're from Atlanta.

the thing that you don’t have when you’re phones percentage is over 20

Atl hoe is a phrase that was first used by pastor Troy on the face off album which was released in 2001 featured on the track “I’m made” as well as other tracks as an ad lib. Baby d and lil Jon and the east side boys used the ad lib as a hook in 2002 with the song tittled “Atl hoe”