带我长发及腰少年娶我可好
[dài wŏ zhăng fā jí yāo shăo nián qŭ wŏ kĕ hăo]
It refers to classic Chinese romance literature or drama elements implying a young man proposes marriage when the girl’s hair reaches her waist. It symbolizes longing for traditional romantic moments or an innocent, old-fashioned love story.