twinge

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

     n 1: sudden sharp painful emotion; "pangs of regret" or "twinges
          of conscience" [syn: pang]
     2: a sharp stab of pain
     v 1: cause a stinging pain [syn: prick, sting]
     2: feel a sudden sharp, local pain
     3: squeeze tightly between the fingers; "He pinched her
        behind"; "She squeezed the bottle" [syn: pinch, vellicate,
         squeeze, tweet, nip, twitch]