the.com/convulsion
The body throwing a tantrum your brain didn't authorize.
means A sudden violent involuntary contraction of muscles, often whole-body, that you cannot stop or fake.
from From Latin convellere, to tear loose or wrench apart — literally the sense of being yanked from within.
Not seizuresAll seizures convulse, but not all convulsions are seizures.
Fever triggerCommon in young children during sudden temperature spikes.
Word stretchConvulsed with laughter borrows the same uncontrollable shaking.