A sudden sharp feeling can be described by four words: 'STAB, ' 'PANG, ' 'TWINGE, ' and 'IRE.' A 'STAB' is a sudden, sharp pain, like a knife piercing the skin. A 'PANG' is a sudden, sharp pain that is usually brief. A 'TWINGE' is a sudden, sharp pain that is often felt in the muscles or joints. Lastly, 'IRE' is a sudden, intense feeling of anger or annoyance. All of these words describe a sudden sharp feeling, which can be physical or emotional.