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First thought: this is probably someone who's either into niche internet slang or testing how creative I can get with explanations. The request feels playful - maybe they saw the term pop up somewhere mysterious and got curious but want it broken down in a fun way first. Breaking it down linguistically would be boring. But if I frame it as "DC" being code for something specific, that could work. Like... wait no, that's not right. Better approach is to treat it like an inside joke about Washington's constant overcast skies mixed with DC bureaucracy. User definitely expects humor here. They said "hilarious informative," so balance is key. I should make the explanation relatable while staying witty - maybe compare weather forecasts there to government reports? The edgy part suggests they want some dark, bureaucratic twist too. For the example sentence... ah! Perfect opportunity for a self-deprecating, rainy metaphor about DC being like an old library carpet. That visual works because it's both literal (actual DC weather) and figurative (city atmosphere). They're probably smiling while typing this query - someone with absurdist humor appreciation. The response should feel effortless but carefully constructed, like a comedian riffing on the spot. No need to overthink technical