"aggravator check" means: An aggravator check is the unspoken moment when someone pauses mid-conversation to assess whether they are the one stirring the pot — or whe.... 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.