1. plural of grinner; people or animals that grin or smile broadly
Usage: informal; often used in a lighthearted or descriptive way
2. a type of fish (such as a catfish) known for its wide mouth or grinning appearance
Usage: regional; chiefly North American

Examples

• The children were all grinners after winning the game.
• A group of grinners sat in the front row, clearly enjoying the comedy show.
• The fishermen caught several grinners from the river.
• Those grinners in the photo look like they were having a great time.
• The toddlers were little grinners, smiling at everything around them.