我很肮脏只因没你会装
[wŏ hĕn āng zàng zhĭ yīn méi nĭ huì zhuāng]
This nickname expresses a feeling of being dishonest or pretending in front of someone else, implying that one only acts a certain way when the other person is not present. It might also suggest feeling exposed or unpolished when around this specific person.