笨蛋你这个大美女傻瓜你这个大衰哥
[bèn dàn nĭ zhè gè dà mĕi nǚ shă guā nĭ zhè gè dà shuāi gē]
A playful yet teasing nickname mixing endearing terms ('大美女' – big beauty, '大衰哥' – loser boy) with insults ('笨蛋' - fool). It combines affectionate but mocking language often used among friends.