It is underused by gangster teens with the combined I.Q of infinite Einsteins.
The word is now used as a proclamation of one's loss of conformity and descent into awesomeness.
The word has metamorphosed, now breaking basic grammar.
New variations include: cins, what the ceens, what the jeens
gangster teen no.2: What the ceens?
gangster teen no.3: man i should do this homework but im so ceens
random loser: perhaps you should get off this facebook 'ceens' group and do the work you idiot