风吹裤裆屁屁凉
[fēng chuī kù dāng pì pì liáng]
'Feng Chui Ku Dang Pi Pi Liang' is quite humorous as it translates into 'wind blowing through crotch making the butt cool'. This type of nickname is popular for its humor and light-hearted nature that can be seen as unique among Chinese internet users.