shiver


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

     n 1: reflex shaking caused by cold or fear or excitement [syn: tremble,
           shake]
     2: an almost pleasurable sensation of fright; "a frisson of
        surprise shot through him" [syn: frisson, chill, quiver,
         shudder, thrill, tingle]
     v 1: tremble convulsively [syn: shudder, throb, thrill]
     2: shake, as from cold or fear [syn: shudder, dither]