持枪灭婊好少年
[chí qiāng miè biăo hăo shăo nián]
The name translates to something like 'Good Young Man With Gun Silencing Prostitutes.' It suggests a vigilante or someone who sees themselves as morally superior, willing to use violence against those they consider immoral. It's important to note this kind of nickname may have aggressive undertones and reflects an extreme view of morality enforcement which may be controversial.