munchy

adjective

characterized by a desire to eat snacks; inclined to snack frequently

Usage: informal; commonly used in casual speech

Examples

I get munchy while watching movies, so I always have popcorn nearby.
After the gym, I feel munchy and reach for some fruit.
The kids were munchy all afternoon and kept asking for crackers.
Late-night studying makes me munchy.
She's been feeling munchy since breakfast.