我素萌哒哒的小屁孩
[wŏ sù méng dā dā de xiăo pì hái]
'Wo Su Meng Daa Daa De Xiao Pi Hai' translates into English as 'I'm an Adorably Innocent Little Kid'. The user probably describes oneself as naive and adorable. Such usernames are usually used by users wanting to present themselves as innocent or charming on social networks. 'Pi hai' is an Internet term specifically used to refer to young people behaving cutely and innocently.