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When used as a descriptor it’s meant to desribe the person, place, or thing as positive in some form or fashion. Sometimes it’s used in a mocking manner, it’s an extremely contextual term. Typically used in a satirical manner but in this case I believe their saying they agree or maybe they just think it’s funny. It’s hard to tell honestly.
It’s similar to the word “based”, very contextual, sometimes good sometimes bad.
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