ぼう坊bouやya
1.
A term of endearment used to affectionately refer to a young boy, often implying innocence and youthfulness.
2.
A colloquial expression used to describe a young man who is seen as inexperienced or naïve about the world, sometimes with a hint of teasing or ridicule.
Example:
あっちへ行きな、ぼうや。