That's one theory that seeks to explain the current state of the "black inner city."
Urban Dictionary: Crab bucket.
Crab bucket syndrome is often used to describe social situations where one person is trying to better themself and others in the community attempt to pull them back down. Also often used in describing the ghettos of America (or anywhere, for that matter).
Bagster
Exactly the way it works - it's the same it a lot of peer groups too, like Q and not-Q. 'If I can't be the leader and have everyone worship my genius then it's a stupid game and you're stupid for playing it.' sniffle. not-Qs are Phatfags.