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A sudden, involuntary exclamation or internal sensation denoting intense, often comically instantaneous arousal — intellectual, emotional, or physical — typically triggered by niche obsessions such as cutting-edge tech, pristine board game components, or an unexpected glimpse of cleavage. Etymology: A portmanteau of “boing” (onomatopoeia for springing or popping up) and a stylized interjection “yah” for expressive flair, boiyahyoing captures the unique blend of nerdy giddiness and barely-contained lust.
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