You can call a pretty one that is a nick name of a girl with large, lustrous eyes. Sorry I dont know how to say in English. 通常称呼（花名）一个水汪汪大眼睛的女孩。

眼睛很大的妹妹

A girl what her eyes are larger and charming ,families or people calls 大眼妹 to replace  her name.

The literal meaning: big eyed girl!

Big-eyed girl