1. a male child or young man
2. a son

1. used to express excitement, surprise, or emphasis
Usage: informal

Examples

• The boy played soccer in the park.
• She has two children, a boy and a girl.
• When I was a boy, I loved reading adventure stories.
• The little boy helped his mother carry groceries.
• Boy, that was a close call!
• Boy, am I tired after that long hike!
• Their youngest boy just started kindergarten.