verb (v)

• make someone convulse with laughter(verb.communication)

  Example:
  The comedian convulsed the crowd.
  

  source: wordnet30
• be overcome with laughter(verb.body)

  source: wordnet30
• move or stir about violently(verb.motion)

  Synonym:
  jactitate, slash, thrash, thrash about, thresh, thresh about, toss
  

  source: wordnet30
• shake uncontrollably(verb.motion)

  Example:
  Earthquakes convulsed the countryside.
  

  source: wordnet30
• cause to contract(verb.contact)

  Example:
  The spasm convulses her facial muscles.
  

  source: wordnet30
• contract involuntarily, as in a spasm(verb.contact)

  Example:
  The muscles in her face convulsed.
  

  source: wordnet30
• To contract violently and irregulary, as the muscular parts of an animal body; to shake with irregular spasms, as in excessive laughter, or in agony from grief or pain.(verb)

  source: webster1913