jawbreaker

noun3

1. •
   A large, extremely hard, boiled candy, typically spherical.

   • Cheeks bulging with stale jawbreakers, we would recite this line to each other, feeling that it sanctified our bond as two Jewish girls in a WASP neighborhood. — 2023
2. •
   A long, hard-to-pronounce word.

   • The word “callipygous” is something of a jawbreaker.
3. •
   (slang) A hard blow to the side of the face.

   • Bendoff went pluckily forward, but only to receive a jawbreaker from Couper's left, […] — 1987