奇葩男友怪咖女友
[qí pā nán yŏu guài kā nǚ yŏu]
This username 'Qi Pa Boyfriend and Odd Girlfriend' uses the phrase 'qi pa' (strange or unusual) to refer to quirky personalities. In Chinese internet slang, 'qi pa' is often used humorously to denote eccentric people with unique qualities. This nickname implies that the couple has a unconventional and quirky relationship.