underbutt
(North America, informal) The lower part of the buttocks, especially as revealed by certain clothing such as skimpy shorts.
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#1·Apr 27, 2026
(North America, informal) The lower part of the buttocks, especially as revealed by certain clothing such as skimpy shorts.
Origin: From , by analogy with underboob. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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The aesthetic vocabulary of how people dress now — quiet luxury, coquette, mob wife, coastal grandmother, Y2K core, and every "-core" that came after.
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