姐就要挑战你你的黑名单
[jiĕ jiù yào tiăo zhàn nĭ nĭ de hēi míng dān]
The nickname implies the user is bold enough and determined to face whatever list or group set aside often for people not in favor or considered undesirable (such as a blacklist), expressing rebellion, challenge, or a confrontational attitude. The term 'sister'(姐) may denote an assertive female identity or role here.