twitch

Noun

• a sudden muscle spasm; especially one caused by a nervous condition

Verb

• move or pull with a sudden motion

• squeeze tightly between the fingers
  • He pinched her behind
    
  • She squeezed the bottle
    

• toss with a sharp movement so as to cause to turn over in the air

• move with abrupt, seemingly uncontrolled motions
  • The patient's legs were jerkings
    

• make an uncontrolled, short, jerky motion
  • his face is twitching
    

Related words

• Synonyms: 
  twitching , vellication , pinch , squeeze , twinge , tweet , nip , flip , jerk