They are something else: grown-ups who cultivate juvenile tastes in products and entertainment. Call them rejuveniles.
2004 — Carol Carysforth & Mike Neild, Business, Heinemann Educational Publishers (2004), →ISBN, page 113:
Market research and advertising companies have recently identified a new group of customers and labelled them kidults, adultescents or the rejuvenile generation.
2005 — Andrew Holmes & Dan Wilson, Pains in the Office: 50 People You Absolutely, Definitely Must Avoid at Work, Capstone Books (2005), →ISBN, unnumbered page:
It seems that Generation X has been hit by a wave of immaturity and that anyone between the ages of 18 and 49 is now considered to be a rejuvenile.
Thankfully, the latter showed her personality as the only child on the playground wearing flowered rubber galoshes, a Spider-Man T-shirt, a pink sparkly tutu, a foam rubber Statue of Liberty crown, and a plastic sheath for a sword, only without the weapon. It looked like something Dexy would wear if she were in a "rejuvenile" mood.
2006 — Christopher Noxon, Rejuvenile: Kickball, Cartoons, Cupcakes, and the Reinvention of the American Grown-Up, Three Rivers Press (2006), →ISBN, page 15:
Whatever your conclusion — whether rejuveniles are ushering in a new era of freedom or leading a mass movement of irresponsibility — the fact is that rejuveniles are dramatically redefining what it means to be an adult.
At $15 to $30 for each action figure, re-staffing the Cobra Command center (home to G.I. Joe's arch-nemesis, Cobra Commander) isn't cheap. So what's driving this rejuvenile movement? Marketing, mostly.
