A sudden pang is an intense, sharp feeling of physical or emotional pain. The term can be broken down into three parts: TWINGE (6 letters), STAB (4 letters), and THROE (5 letters). A TWINGE is a brief, sharp pain or sudden uncomfortable feeling. A STAB is a sudden, sharp pain or sensation. Lastly, a THROE is a sudden, intense spasm of pain. Together, these three words describe the sudden, intense pain associated with a sudden pang.