Wikipedia vandalism is an act of course where the user will add an irrelevant comment, remove all the text, replacing the text, adding links etc, which have nothing to do with the original article.
Person 1: Why the fuck are there Mario links on the fucking Sonic page on Wikipedia?
Person 2: Some faggot did Wikipedia Vandalism again.
Person 2: Some faggot did Wikipedia Vandalism again.
by WE HATE YOU TOTTENHAM October 18, 2016