你美你魅你媚你妹
[nĭ mĕi nĭ mèi nĭ mèi nĭ mèi]
It’s a casual, humorous way of responding when someone brags about themselves too much, implying that such boasts have become annoying or unreasonable. In a funny context, it means something like 'oh please stop talking about your beauty and charms'.