- make someone convulse with laughter; "The comedian convulsed the crowd"
- be overcome with laughter
- move or stir about violently; "The feverish patient thrashed around in his bed"
- shake uncontrollably; "earthquakes convulsed the countryside"
- cause to contract; "The spasm convulses her facial muscles"
- An epileptic seizure, occasionally referred to as a fit, is defined as a transient symptom of "abnormal excessive or synchronous neuronal activity in the brain". The outward effect can be as dramatic as a wild thrashing movement (tonic-clonic seizure) or as mild as a brief loss of awareness. ...
- Convulse was a Finnish death metal band from Nokia, Finland, active between 1988 and 1994. They were one of their country's first extreme metal bands and by some to be the forefathers of the local ‘Nokia' metal scene.
- To violently shake or agitate; To create great laughter