Read the dictionary definition of twitch. All definitions for this word.
1. a sudden muscle spasm; especially one caused by a nervous condition
2. make an uncontrolled, short, jerky motion
1. his face is twitching
3. move or pull with a sudden motion
4. squeeze tightly between the fingers
1. He pinched her behind
2. She squeezed the bottle
5. move with abrupt, seemingly uncontrolled motions
1. The patient's legs were jerkings
6. toss with a sharp movement so as to cause to turn over in the air