clenchy

adjective2

1. •
   (informal) Resembling or characteristic of a clench; as if in a tight grip.

   • are you a photographer? Use a slr? Left eye does what? Crink-y neck? Clenchy left arm? A good Chiropracter^([sic]) might help. — 2004
2. •
   (informal) Clenched; tending to clench or be clenched.

   • Tino: Hey, you alright? Carver: I’m fine. Tino: But your teeth are all clenchy. Carver: I’m just exercising my jaw. — 2001