Vandalism in Disguise 

Used to describe the BLM riots in the United States of America.

Jimmy: "Did you see the riots? They are smashing cars and breaking in stores!"
Micky:"This isn't fighting against racism anymore, this is Vandalism in Disguise."

Vandalism in Disguise by pvttunt November 24, 2020

Anti-Vandalism 

When the destruction of property isn't that at all. Say it destroying seasonal free things like snowmen, or just misplacing people's possesions

I committed Anti-Vandalism on that snowmans face

Anti-Vandalism by Erik Everhart February 4, 2009

Wiki Vandalism

What high school students have had to resort to in computer lessons when the school filter blocks all the game sites.

Bob: Hey I found a games site that isn't blocked!

Fred: Fuck that, I'm changing the Wikipedia article on some guy called John Brooke-Little. He's now the Soggy Sayo champion of the world.

John: Yeah, no-one playes games nemore, it's all about Wiki Vandalism now.

Wiki Vandalism by Yaziyo April 5, 2008

Mandalism 

-noun: The act of a male, clearly past the socially accepted age range for performing vandalous acts against society, committing such behavior and taking child-like enjoyment in such behavior.

Reynolds- " Dude my car got egged by these punkasses, but I got a look at em and they looked like they were pushing 40"

Mike- "Sounds like a case of mandalism to me"

Mandalism by FreakoSuave March 1, 2010

bio-vandalism 

Willful defacement or destruction of public or private property using feces, blood, vomit or urine.

In an act of bio-vandalism, the disgruntled man smeared feces over the shop owner's window after he was barred from the store.

bio-vandalism by Foxylibrarian August 9, 2006

Wandalicious 

Wandalicious

In other words, a person that changed or had an big impact in your life with only positive energy and good vibes.
This person is so deep stuck in your heart, you can’t let go of her, neither do you want to let go.

Omg, Wanda is so Wandalicious

Or
They’re so moetastisch and Wandalicious together!

Wandalicious by Yunghurnsbebe November 30, 2019

Wardlism 

A rare condition of being extremely stupid and at the same time being completely self aware of your stupidity.

Did you hear about Alex taking 3 hours to make a burger? I don't understand how he is so good at playing drums yet he's got no common sense - he must have Wardlism

Wardlism by LoganOC123 January 2, 2022