Adulting core means: An aesthetic defined not by glamour or aspiration but by the quiet visual language of a life that is being maintained: the reusable tote bag, the drawer organiser, the generic brand olive oil, the. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour. If your teen uses it, context will usually make the intent clear. A short, curious question about where they heard it is usually all that is needed to know whether to follow up.