我就是你的疯丫头你就是我的疯丫头
[wŏ jiù shì nĭ de fēng yā tóu nĭ jiù shì wŏ de fēng yā tóu]
Expresses intimate and playful relationship, using informal language to show familiarity and closeness, often seen among close friends or lovers who do not mind what others think about their behavior and expressions.