坏蛋来了怎么办眨巴眼睛萌死他
[huài dàn lái le zĕn me bàn zhă bā yăn jīng méng sĭ tā]
This amusingly long username translates as 'If a bad guy comes what should I do? Flutter my eyes to die-cute him!' It conveys playfulness and sarcasm, possibly indicating an easy-going or humorous persona.