To chill out or hang out
Its what the Gs and the niggas do, it be how they roll.
Coolin' out, ya know what I'm sayin. But, but who's chillin around the Land? You know? Yo, who's chillin? I think I know who's chillin.
-Souls of Mischief - '93 til Infinity
Yo bro, waddup?
Nothing much brah, just coolin' out.