How do you say big boy in french?

There isn't a direct translation for "big boy" in French that conveys the same meaning as the English phrase.

Here are some options depending on the context:

If you want to emphasize size:

* Grand garçon: This literally translates to "big boy" and emphasizes physical size.

* Gamin costaud: This means "strong boy" and implies a larger and stronger physique.

If you want to emphasize maturity:

* Un homme en herbe: This translates to "a man in the making" and suggests a young boy who is approaching adulthood.

* Un grand jeune homme: This translates to "a big young man" and implies a boy who is mature for his age.

If you want to be informal and friendly:

* Mon grand: This literally means "my big one" and is used affectionately for a young boy.

The best way to choose the right translation depends on the specific context and the intended meaning.