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The name for a group of permanent markers that are placed inside the anus of a human being, then photographed, and posted on reddit.com.
Completely NSFW, but is can be found at the subreddit:

/r/ButtSharpies/
You see that picture on reddit? That chick had the world record with 14 buttsharpies!
by Hex68 January 15, 2014
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