疯人院里疯人怨
[fēng rén yuàn lĭ fēng rén yuàn]
The literal translation of this username is 'A Crazy Person's Grievance in an Asylum', implying sadness, anger or dissatisfaction that stems from being marginalized, misunderstood or wronged in a society perceived by the user as mad or insane. This netizen may be conveying a sense of being out-of-touch with his environment or expressing dissent.