1. openmouthed - Adjective
2. openmouthed - Adjective Satellite
with eyes or mouth open in surprise
Source: WordNetThese women, capable of the most sublime emotions, of the tenderest sympathies, were openmouthed and screaming. They wanted to live, they were helpless, likes rats in a trap, and they screamed. Jack London
...he had found an image of one of the big Western-style business hotels along the waterfront: one of those places where it was possible to be a white person without attracting one's own personal Stonehenge of cataleptic, openmouthed gapers. Neal Stephenson
There were too many secret things going on. And too many perfectly banal, openmouthed evils driven by ambition or fanaticism distracting everyone from the creeping apocalypse. Glen Cook