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
[ Syn: thresh , thresh about , thrash , thrash about , slash , toss , jactitate ]
shake uncontrollably; earthquakes convulsed the countryside'
cause to contract; The spasm convulses her facial muscles'
contract involuntarily, as in a spasm; The muscles in her face convulsed'