Board Thread:General Discussion/@comment-3076833-20130402154245/@comment-5051846-20130530121024

Xeyuzio wrote: She sounds more tomboy-ish, which is what they may be getting confused for maturity, but even boys can sound like children. o: I've only ever heard tomboyish in reference to personality, but I guess that works as a description too...

I'd just say boy-ish, though.