The study or analysis of laughter and facial expressions during laughter, sometimes used in pseudoscientific divination or character assessment.
From Greek 'gelos' (laughter) + 'skopein' (to examine, observe). A variant or related term to geloscopy, emphasizing observation and study.
Gelotoscopy reveals something beautiful about human nature—across centuries, people wanted to understand what laughter reveals about our souls and character. It didn't work scientifically, but it shows we've always suspected laughter is deeply meaningful!
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