Noun
kidult (plural kidults)
(informal, marketing, sociology) An adult who participates in youth culture and activities traditionally intended for children.
Murray makes the right choices, refusing to spare kid and kidult alike the gorgeous harshness of the world, filled as it is with ‘a sadness everyone can recognize, a sadness that is binding and homelike.” Source: Internet
If you’re a city kidult, make a midnight run to the convenience store freezer aisle. Source: Internet