你的巴掌正好适合我的脸
[nĭ de bā zhăng zhèng hăo shì hé wŏ de liăn]
Translates into 'Your Slap Is Just Right for My Face', carrying a self-deprecating and possibly sarcastic tone. The user may be expressing personal acceptance after an insult, a joke at one's own expense, or the idea that they deserve what happened.