旧人旧事旧时光旧情旧爱旧感伤
[jiù rén jiù shì jiù shí guāng jiù qíng jiù ài jiù găn shāng]
Translating to 'old people, old events, old times, old feelings, old love, old sorrows,' this nickname evokes a sense of nostalgia mixed with melancholy about past relationships, events, and sentiments. It suggests someone looking back on the past with both warmth and sorrow.