姑娘你真钞掉了少年你节操没了
[gū niáng nĭ zhēn chāo diào le shăo nián nĭ jié cāo méi le]
A playful phrase 'girl you spent the money boy you lost principles'. Here 'dropping money / losing principles' is humorous slang used in a teasing context, pointing out actions contrary to good sense by young people.