Parmo means: A north-eastern English dish of deep-fried breaded chicken topped with béchamel sauce and cheese, sometimes served like a pizza with additional toppings.. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour. This is a food-related word and harmless in itself. 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.