你是重度猥琐
[nĭ shì zhòng dù wĕi suŏ]
Please note, this nickname translates to 'You are Severely Indecent', which is inappropriate and offensive in English context. Such words could cause misunderstandings or offense and it’s better avoided. If this is just expressing a joking and intimate relationship between close ones in an online setting, please ensure the content does not infringe upon any party’s rights or sensibilities.