A phrase one uses when someone attempts to insult them, but they turn it around into a joke.
Johnny: Pssh, nice try-hard gangsta pants.
Dave: Thanks man, coz try-hard gangsta pants are just how i roll. *hi5*
Johnny: *rejects hi5* Your a nerd
Dave: Yeah, but thats how i roll.
Johnny: *rolls eyes and walks off*
Jess: Sarah, your such a skank, hitting on teachers is the most disgusting thing out.
Sarah: Well thats how i roll.