a. [f. JAW sb.1 + FALLEN pa. pple.] Having the lower jaw fallen or hanging loose; chop-fallen; dejected.
1603. Florio, Montaigne, I. xl. (1632), 128. The wench offered him was jaw-falne, long-cheekt, and sharpe-nosed.
a. 1691. Flavel, Sea-Deliv. (1754), 165. We were jaw-fallen and starved with the extreme cold.
1748. Richardson, Clarissa (1811), III. 54 (D.). The people seemed by their jaw-fallen faces and goggling eyes to wonder at beholding a charming young lady.