phrase used to describe one who is chill, not necessarily cool as in 'hip to the hop' but more like, relaxed and chill. not too stoney, but to some extent.
Man, the guy who sits across from us at lunch, he's so chill right now.
I mean, I'm no doctor or anything, but I think I'm able to judge him on a thing like this. I mean, come on, look at him. He's so chill.