你若过的凄凉我定笑得猖狂
[nĭ ruò guò de qī liáng wŏ dìng xiào dé chāng kuáng]
This nickname means 'If you are living a sad life, I will laugh at you in triumph.' It expresses the speaker's attitude of mocking others who live an unsuccessful or unfortunate life while emphasizing their own joy and satisfaction.