山盟海誓在我眼里算个屌
[shān méng hăi shì zài wŏ yăn lĭ suàn gè diăo]
It expresses strong cynicism or disillusionment regarding vows of eternal fidelity. 'Mountain oaths, sea vows,' typically symbolize eternal commitments. This username suggests these promises count for very little in the user’s eyes – an explicit way to criticize such insincere vows using vulgar slang.