open-mouthed

adjective

1. having the mouth open.
2. gaping, as with surprise or astonishment.
3. greedy, ravenous, or rapacious.
4. clamoring at the sight of game or prey, as hounds.
5. vociferous or clamorous.
6. having a wide mouth, as a pitcher or jar.

adjective

1. having an open mouth, esp in surprise
2. greedy or ravenous
3. clamorous or vociferous