Convulse

v. t.	1.	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. [imp. & p. p. Convulsed ; p. pr. & vb. n. Convulsing.] With emotions which checked his voice and convulsed his powerful frame. - Macaulay.
	2.	To agitate greatly; to shake violently. The world is convulsed by the agonies of great nations. - Macaulay.

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

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