a deadass nigga is some outdated boy who's tryin to flex like tryna be cool but doesnt work (Memphis Gang's slang) can be used as lame as well. Example:(below) look
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.