Abide core means: An aesthetic and lifestyle philosophy centered on radical chill, unhurried living, and the art of simply letting things be. Abide-core is the visual and spiritual cousin of cottagecore and goblincore. 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.