twitch
noun
a sudden muscle spasm; especially one caused by a nervous condition
verb
make an uncontrolled, short, jerky motion
“his face is twitching”
Synonymsjerkmove with abrupt, seemingly uncontrolled motions
“The patient's legs were jerkings”
Synonymsjerktoss with a sharp movement so as to cause to turn over in the air
Synonymsflipsqueeze tightly between the fingers
“He pinched her behind”
“She squeezed the bottle”
move or pull with a sudden motion
Source: WordNet 3.1, Princeton University
