姓坚名强没死就能笑得猖
[xìng jiān míng qiáng méi sĭ jiù néng xiào dé chāng]
This username uses the literal names (姓= surname; 名= given name) and translates as 'Strong surname and tough given name, one who hasn't died yet laughs crazily.' It implies resilience; someone might laugh despite adversity, possibly mocking at their misfortune.