我在黄泉路口等你
[wŏ zài huáng quán lù kŏu dĕng nĭ]
'The Intersection of Yellow Springs Road' is a metaphor for the afterlife in Chinese mythology. So, this online nickname implies a sad, unfulfilled love or a firm resolution to meet someone in death or the next life, which can also carry sorrowful undertones as well as a feeling of longing or farewell.