A popular term used in Atlanta. It's used a lot in rap culture. In one of Soulja boy's newest mixtapes (Ignorant Shit) he used in his song That Way (Remix).
The word itself is used to say something is really fly or cool
Soulja Boy: That way, That way, That way
Mess with lil soulja it's gun play (Bow!)
I'm sipping lean no Bombay (no Bombay)
I hit the trap with my Kanye's (Errr!)
That way, That way (Ouuu!)