Open-mouthed

Adjective

 * 1)  Talkative, speaking freely.
 * 2) *1485, Thomas Malory, Le Morte Darthur, Book XVIII:
 * many in the courte spake of hit – and in especiall Sir Aggravayne, Sir Gawaynes brothir, for he was ever opynne-mowthed.
 * 1) With the mouth open.
 * 2) Gaping in surprise, wonder or astonishment.

open-mouthed open-mouthed open-mouthed open-mouthed