我腹黑我舌毒我叛逆我有病
[wŏ fù hēi wŏ shé dú wŏ pàn nì wŏ yŏu bìng]
'I Am Machiavellian, Biting, Rebellious, Troubled'. It's used as a humorous and exaggerated self-mockery. People who use such names might want to highlight a more non-conformist, sarcastic, or complex side of themselves.