An involuntary spasm or sudden contraction of the tongue muscles, causing temporary loss of control.
From Greek 'glōssa' (tongue) and 'spasmos' (spasm, convulsion). The term combines the anatomical location with the pathological movement, following standard medical terminology for describing involuntary muscle contractions.
Glossospasm might sound rare, but it's actually what happens when you accidentally bite your tongue while eating—your tongue muscles suddenly seize up, which is technically a micro-spasm that everyone experiences.
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