twitch


twitch (http://definr.com/twitch)

     n : a sudden spasm; especially one caused by a nervous condition
         [syn: twitching, vellication]
     v 1: make an uncontrolled, short, jerky motion; "his face is
          twitching" [syn: jerk]
     2: move with abrupt, seemingly uncontrolled  motions; "The
        patient's legs were jerkings" [syn: jerk]
     3: toss with a sharp movement so as to cause to turn over in
        the air [syn: flip]
     4: squeeze tightly between the fingers; "He pinched her
        behind"; "She squeezed the bottle" [syn: pinch, vellicate,
         squeeze, twinge, tweet, nip]
     5: move or pull with a sudden motion