Mandalism 

(sounds like it spelled). The religion consisting of Ian the messiah and the flying spaghetti monster, who has created everything in our world. Notable beliefs include: Thou shall not murder ,rape, steal, or play lacross. Also if thou wear crocks, thou shall be sent to the core of earth for an eternity.

Ian: I am the messiah of mandalism, we will except any followers, find our petition online.
Martin: Thank you messiah, your teachings have revolutionized my life.

Mandalism by wowlookoverthere September 20, 2016

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

mandalism 

A term referring specifically to drawing on a male while he is asleep.

Anthony: Can you believe that ish on your face?
Dom: I know, it's straight mandalism. Now I have a five-dollar footlong on my face.

mandalism by pseudohumorcerebri October 26, 2016

cultural vandalism

The act of partisan ideologues taking over entertainment properties and turning them into (typically poorly received) political agitprop.

Marvel and DC have been huge victims of cultural vandalism these past few years,

cultural vandalism by answerer5976 August 16, 2021

Xandalism 

The act of committing vandalism while blacked out on xanax and booze. Xanax, a prescription medication used to treat anxiety, can cause memory blackouts of hours or even days when consumed with alcohol. Regrettable behavior such as xandalism inevitably ensues.

Person 1: Did you hear about Brice? He took a fist full of xanax and drank a pint of Jack Daniel's, then he got arrested for smashing a church window. He doesn't remember a thing!

Person 2: Damn, sounds like he some did xandalism then

Xandalism by 4highs October 23, 2019

Green Manalishi 

A Song By Peter Green's Fleetwood Mac
Detailing A Trip He Had

Green Manalishi Itself Is A Reference To Money
But Can Be Used As An Umbrella Term For Any Soul Stealing Item Or Person.

'Cause Your The Green Manalishi With The Two Pronged Crown.

All My Tryin Is Up All Your Bringin' Is Down

Green Manalishi by A68WInASandDune October 12, 2009

Wikipedia Vandalism 

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.

Wikipedia Vandalism by WE HATE YOU TOTTENHAM October 18, 2016