A person in charge of a website of system that has absolute power and behaves abusively for no to any reason. Acts include banning users, setting absurd limits, changing rules ad-hoc and behaving like a God. People with admin syndrome are often associated with selective hearing: making it impossible to appeal to any decision made by the admin.

Admin syndrome is caused by a hunger of power that cannot be fulfilled in real life. It is often associated with unwarranted self importance. Both adults and children can be affected with admin syndrome.
This flagrant display of power is caused by admin syndrome, he bans everyone he does not agree with, ignoring any appeal while misbehaving continuously himself.
by BadgerX March 23, 2015
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Typically associated with IRC staff, this condition is indicated by excessive idling, selective hearing, and is sometimes accompanied by overuse of the term "heh".
I think driz has admin syndrome. When I asked him what time it was, he said
"heh".
by David Friedman July 20, 2005
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When a person, usually a relatively friendly person gets admin capabilities and goes power hungry. This is very contagious and happens to most people, but it is developed as the person goes through the ranks.
"Did you here about Nathan being a complete cuck?"
"Yea, that fag has stagefour Admin-Syndrome"
by Gayassnibba February 7, 2017
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A condition in which an administrator on a discord server feels as if they are contributing something to society, but doesn’t.
Member 1: Bro, Jim must have Discord Admin Syndrome or something. He’s completely useless.

Jim: That’s against the rules *bans*
by Rhenic#1889 June 12, 2020
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This illness effects administrators of chatrooms on the internet. it especially effects video chat admins, game streaming chat admins, and instances where women are involved (of all types of chatting it is most often seen in game streaming chatrooms when the streamer is a woman). This illness has many cause, but it is hardly possible to identify all causes of general but-hurt. Some of the effects are as follows; auto banning new users when they enter the chatroom, banning users who complement females, banning users who talk to females that the admin is interested in, banning users who are different in some way than the majority of chatters, banning or muting chatters who voice opinions against the authority of the chatroom.
Person one: "Why did you leave the room?"
Person two: "I don't know they banned me."
Person one: "Oh, it must be because your tinychat account was not registered. They don't like new people."
Person two: "This same thing happened to me the other day in another chatroom, that time I was banned when I told them I didn't smoke weed. There are some nasty cases of Chatroom Admin Syndrome going around."
by ArCh1mEdEs December 27, 2013
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a syndrome that accounts for the ones have a movie-series web-site which they have the movie first, but watch latest.
- OMG! You still haven't watch the Fringe series?
+ Hell no, i have admin syndrome, remember?
- Holly Crap.
by drlaennec April 27, 2012
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