"gank maxxing" means: Gank maxxing is the pursuit of absolute maximum gank efficiency — every route planned, every ward accounted for, every cooldown tracked, eve.... This is a fairly neutral word with no inherent risk attached. There is no real cause for parental concern; it is descriptive vocabulary rather than something dangerous. If your child uses it, context will usually make the meaning clear. A brief, curious question about where they heard it is generally enough to know whether to follow up.