adultescent

plural adultescents

1. An adult who continues to participate in and enjoy youth culture.

   1996, Precision Marketing 17 June 21/4 Consider the importance of adultescents to the music biz—they make up over a third of the audience at gigs, but have more cash to spend than teenagers.

   4 more examples

   First he was known as the ultimate adultescent, a thirty/fortysomething who admitted to being fixated with football and music and stuck at the mental/emotional age of 14.

   2001, Andrew Calcutt, Brit Cult: An A-Z of British Pop Culture, page 237

   PlayStation2 and X-Box are all very well. But for die-hard video-game connoiseurs the Golden Age ended on 1 February, when Sega announced that the Dreamcast was to cease production after just three years. Stung by Sony's success since 1995 with PlayStation, the veteran video-game firm had put all its energies into a final charge on the hearts and minds of kids and adultescents with an affordable, technologically advanced new console.

   2001 December 30, Peter Lyle, “Farewell 2001”, in Independent on Sunday

   This time his protagonist is not a gormless ‘adultescent’ but a middle-aged woman named Meg Riddoch.

   2004, Australian Book Review, numbers 258-267, page 51

   For more than a year, the senator's "adultescent" campaign staffers have been swarming college campuses in beat-up cars with college logos, collecting names, building databases, and creating a social networking juggernaut […].

   2008, Business Week, numbers 4065-4072, page 122

   Synonyms: adultolescent, kidult, manchild, womanchild, rejuvenile