毁我世界灭你天堂
[huĭ wŏ shì jiè miè nĭ tiān táng]
It's a confrontational or dramatic phrase meaning roughly 'ruining my world and destroying your paradise', implying that actions could affect each other negatively or opposingly. A rebellious and intense expression used online to express dissatisfaction, defiance against certain things, or strong personal moods, especially among younger groups who love emotional and distinctive expressions.