萌女爱笑帅男爱酷
[méng nǚ ài xiào shuài nán ài kù]
The username describes two different personalities: a cute, giggly girl ('萌女爱笑') and a cool, stylish boy ('帅男爱酷'). This suggests a person with contrasting qualities or admiration for both charming femininity and confident masculinity.