Vandalism, graffiti, nonsense, meanness, harmless lampooning, re-edits of wiki pages. Generally to deflate the ego of the subject, author, watchers or barnstar earners of a targeted wikipedia or other wiki page.
"The gasbag kept trying to revert or edit over the wikgraffiti of the scoundrel. But that clown would not let up in the seditious commentary about Trump's hair on the Donald's wiki. The nerve!"
by lampystakes March 28, 2013
The Urban Dictionary Mug
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