你算个毛线你说我不配爱你
[nĭ suàn gè máo xiàn nĭ shuō wŏ bù pèi ài nĭ]
This nickname implies a mix of resentment and defiance. It suggests that the person feels they are being unfairly judged or criticized by others who have no right to make such assessments, specifically in a romantic context.