你丑你先睡我美无所谓
[nĭ chŏu nĭ xiān shuì wŏ mĕi wú suŏ wèi]
For the nickname 'You are ugly so you sleep first, I am beautiful so whatever it is'. Though it seems humorous and frivolous, it conveys lighthearted attitude, mocking society stereotype on appearance but emphasizing self-confidence instead.