gnaw (at) (someone's) vitals(redirected from gnaw at one's vitals)
gnaw (at) (someone's) vitals
To greatly or deeply trouble someone; to affect in someone an intense feeling of anguish or despair. Seeing the suffering of so many people overseas gnawed at her vitals day and night, so she decided to join the Red Cross so she could finally help in some way.
See also: gnaw