convulse

verb

1. make someone convulse with laughter"The comedian convulsed the crowd"
2. be overcome with laughter
3. move or stir about violently"The feverish patient thrashed around in his bed"
4. shake uncontrollably"earthquakes convulsed the countryside"
5. cause to contract"The spasm convulses her facial muscles"
6. contract involuntarily, as in a spasm"The muscles in her face convulsed"