When an individual or a group's collective cognitive functions are subdued in ratio with their personality types to the point where they are unaware that cognitive functions are even being utilized.
John is a smart guy, he is over there chillin playing scrabble. I can't play that game, I'm over here chillin on my laptop watching youtube videos.
The idiom chillin’ or chilling is utilized by wannabe gangsters to illustrate activities that engross relaxing; for example watching television, drinking alcohol and feeding ducks, et cetera.