我自恋我矫情我装逼碍你事
[wŏ zì liàn wŏ jiăo qíng wŏ zhuāng bī ài nĭ shì]
The username 'I am narcissistic, petty, show off what do I have to do with you' portrays the idea of not caring about others' perceptions or opinions. The user may have an attitude of self-indulgence, being sensitive and seeking attention but declares none of these attributes bother anyone else; essentially expressing they can be whatever way they want because their behavior doesn't interfere with others, emphasizing their personal freedom.