Ag maxxing means: Deliberately and intensely optimizing every aspect of one's life or craft to embody peak AG status. Goes beyond casual effort into an obsessive, identity-level commitment to dominance, efficiency,. 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.