generalized tonic-clonic seizure
Definition: a generalized seizure characterized by the sudden onset of tonic contraction of the muscles often associated with a cry or moan, and frequently resulting in a fall to the ground. The tonic phase of the seizure gradually give way to clonic convulsive movements occurring bilaterally and synchronously before slowing and eventually stopping, followed by a variable period of unconsciousness and gradual recovery.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.