什么海誓山盟都是狗屁誓言
[shén me hăi shì shān méng dōu shì gŏu pì shì yán]
Translated as 'All Oaths Are Empty Promises', this nickname conveys cynicism towards promises made by others, especially during romance or important commitments. The user might have experienced betrayal, leading them to doubt sincerity and trustworthiness.