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I haven't reported it, but @sadkitten and a few others are working to knock these schemes down. Apparently a lot of these spammers were working from connected accounts. You may have gotten upvotes from those at about 30 rep and voting at 2% power. They were just going to all new posts (throught bots) and upvoting all day long, I guess - farming money which did not amount to much anyway.

"I need a t.p. in my bunghole?"

What is your reaction when somebody pop up your comment like that?

I would say that is not random comment spam - but some kind of odd response to your post. Do you get that a lot or just once?

Actually, he commented in my post, and let him do that, even if it some kind of rude that i am not talking to him. But when i comment to other post, he reply a comment like that! I search a meaning of t.p for bunghole, it means he wants a toilet paper for his asshole! Then i research more! He simply dont post story, he just keep commenting, about bunghole thing!

What reputation does this person have?

39, but as what I said before, this all come to pass, but i help him to be famous! You can check here. I will not go after that account! I will not waste my vp for that! Its part of steemit life.