我未来儿子帅气无人能敌我未来女儿漂亮无人能及
[wŏ wèi lái ér zi shuài qì wú rén néng dí wŏ wèi lái nǚ ér piāo liàng wú rén néng jí]
This nickname expresses the parent's hope and pride in their future children. It means 'My future son will be so handsome that no one can match, and my future daughter will be so beautiful that no one can compare.'