不良少年的不良少女不良少女的不良少年
[bù liáng shăo nián de bù liáng shăo nǚ bù liáng shăo nǚ de bù liáng shăo nián]
In English, this translates as 'Bad Boy of the Bad Girl and the Bad Girl of the Bad Boy'. This nickname conveys a playful rebellious image where both the user and possibly their romantic partner are portrayed as outsiders rejecting societal norms, embodying mischief and unconventionality.