亂點鴛鴦　

◎ 亂點鴛鴦 luàndiǎn-yuānyāng

[discriminately appoint affectionate couple;to cause an exchange of partners by mistake between two couples engaged to marry] 鴛鴦:常用以比喻夫妻。指幾對夫婦互相錯配。后指不顧具體情況而亂搭配

今日聽在下說一樁意外婚姻的故事,喚作《喬太守亂點鴛鴦》。——明· 馮夢龍《醒世恒言》