只要不死就能笑的猖狂
[zhĭ yào bù sĭ jiù néng xiào de chāng kuáng]
Roughly translated, it means 'If I Don't Die, I'll Keep Laughing Insanely'. It conveys a message of living one's life recklessly, not caring about others, just being happy or laughing out loud as if there's no tomorrow.