我妈的女儿萌哒哒的萌
[wŏ mā de nǚ ér méng dā dā de méng]
My mom's daughter is super cute -- This username conveys a very playful and sweet feeling. '萌(Meng)', which means cute or adorable in Chinese popular internet slang. And this person is referring herself as her mother's little girl, emphasizing how much she is loved.