栖柚姑娘柠檬少年
[qī yòu gū niáng níng méng shăo nián]
This nickname implies a romantic and poetic mood with 'Qiyou', meaning a girl residing quietly or peacefully ('栖' means to dwell, and '柚' can be associated with a quiet or peaceful sound), along with 'lemon boy' which suggests freshness and youth, probably depicting two individuals (a girl and a boy) at a beautiful period of their youthful life.