Have you ever mocking someone on facebook?

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I ever mocking my lecturers on facebook. I wrote on my wall post " lecturers' black list : (and I wrote some names of my lecturers)" After that... I have many comments from my friends. Some of them added some other lecturers and give it comment. But others told me to remove my wall post before my lecturers saw it. They said that there are some people who mocking someone and then they bring to the jail. Well, I afraid about that.. and I removed my wall post. So, how about you friend? Have you?