Definitions

1. noun

A boy who is dressed in or associated with the color blue, often as part of a costume or uniform.

“The team’s blueboy mascot led the crowd in cheering during the game.”

2. noun

A man who is a boy or young man, especially one who is the son of a noble or royal person.

“The blueboy was given a special title by the king in recognition of his family’s loyalty.”