1. the amount of food or liquid that fills one cheek
Usage: informal; often used in reference to children or animals

Examples

• The squirrel stuffed its cheeks with a cheekful of acorns.
• The child held a cheekful of candy in each cheek.
• He took a cheekful of water and sprayed it across the room.
• The hamster's cheekful of seeds made its face look comically round.
• She puffed out her cheeks, holding a cheekful of air.