muncher
/ˈmʌntʃər/Definitions
1. noun
A person who eats or devours food, especially in a greedy or excessive manner
“The loud muncher in the movie theater was disturbing others around him.”
2. noun
A mechanical device that crushes or grinds something, such as food or waste
“The food processor was used as a high-powered muncher in the industrial kitchen.”
3. verb
To eat or devour food in a greedy or excessive manner
“The kids were munching on snacks during the movie.”