twitch

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

make an uncontrolled, short, jerky motion; "his face is twitching"

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

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

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

move or pull with a sudden motion