她是我媳妇不是你姐妹儿
[tā shì wŏ xí fù bù shì nĭ jiĕ mèi ér]
Translated literally to 'She is my wife(not yours)', highlighting the close relation between two individuals and marking territoriality over a relationship. This name asserts the exclusivity and intimacy of their bond which implies jealousy and warning others away.