Wikivandal
Wikivandal- Usually a bored and semi intelligent hater of the rich and famous who modifies their Wiki pages whenever he/she wishes.
"I love being a Wikivandal, You can edit any page and someone, Somewhere is going to write their term paper on the bullshit you just made up".
wikivandalism
Deliberately altering or deleting information on Wikipedia or other online encyclopedias to cause confusion or misguidance.
"I totally screwed those lazy fxxkers up who c&p everything from wikipedia for that last paper."
"But that's wikivandalism!"
"But that's wikivandalism!"