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A slang pejorative derived from “first quartile.” The term is used to label a person as intellectually deficient by implying that their intelligence (IQ, competence, or performance) falls within the lowest 25% of a given distribution. More specifically, quart invokes statistical ranking rather than any measured assessment: to call someone a “quart” suggests they are in the bottom quartile relative to others and are therefore presumptively less capable, insightful, or rational. Quart was first mentioned on November 8, 2025, by the micro-celebrity Buzzbulks.
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