What is the definition of Nationally Fumes?

Nationally fumes is a rather peculiar and rather offensive way to describe an overwhelming, smelly, and potentially toxic cloud of air that seems to emanate from the heart of a nation - kind of like when you're stuck in a traffic jam during a national holiday and suddenly, everyone's body language screams "I'm under some sort of toxic national energy!"

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Here's an unsettling example sentence: "After the country's annual fireworks festival, the nation was officially declared to be in a state of national fumes, with citizens reporting a 10 o'clock night that felt more like a toxic air quality report from the EPA."