我想我是疯了
[wŏ xiăng wŏ shì fēng le]
'I Think I'm Crazy' is a somewhat humorous or self-deprecating username that might come across from someone feeling irrational or acting out-of-character at times. People can choose this kind of names when reflecting upon their unpredictable or eccentric thoughts/actions which make them feel as if they have lost their mind slightly, thus finding solace or amusement by calling themselves insane lightly.