姐们儿你当你甄嬛阿

Here the person may regard themselves or their best friends in a humorous, playful manner by comparing oneself/one's girlfriend to a famous heroine 'Zhen Huan', who became powerful after struggling and fighting palace intrigue. 'Ah Zhen Huan' (甄嬛啊), here the suffix Ah (啊) gives a casual tone and adds some fun.