convulse

(verb) make someone convulse with laughter. Examples: "The comedian convulsed the crowd."

(verb) be overcome with laughter.

(verb) move or stir about violently. Synonyms: thresh, thresh about, thrash, thrash about, slash, toss, jactitate. Examples: "The feverish patient thrashed around in his bed."

(verb) shake uncontrollably. Examples: "Earthquakes convulsed the countryside."

(verb) cause to contract. Examples: "The spasm convulses her facial muscles."

(verb) contract involuntarily, as in a spasm. Examples: "The muscles in her face convulsed."