A "dude" that never gets laid, or fucked his cousin when he was 16. He wears a worn out Punisher t-shirt to claim his stake as First and plans his costume for Comic Con ten months in advance. Lives in the basement of his parents house with his SEGA gaming console which is better than any other gaming console, dude! Gets excited and waves his arms a lot over stupid shit no one cares about. Probably played a animal in a community theater production at some point.
"I OWNED YOU, BITCH!"

You're a misogynistic fanboy .
by punk8punk February 10, 2019
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A cartoon dingo character that has an inflation fetish and will do anything to get what he wants. (Yes this is a real thing, and no I will not tell you how I know)

Fanboy was created by GreyOfPTA an artist on furaffinity. (Spooky shit)
Run, here comes Fanboy!
by NigisKing December 14, 2017
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The modern day fan-boy is different from the earlier traditional fanboy term. The one most used and expressed today predominantly in the urban culture "Fanboy" means a fake fan. A hipster type of fan who isn't really a fan of the sport or game but acts like a fanatic fan representing a team just to be cool. They don't play the sport probably never did so they don't speak from experience but try to sound like they are. If they did play they definetly were never good at it. And don't even really watch or pay much attention to it outside of socializing and trying to be cool.
Your just a fanboy you don't even watch the regular season and your not really interested in it. You just try to fit in and look cool.
by Da streets June 4, 2017
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An acronym made up of the first letters of the common conjuntions For, And, Nor, But, Or, Yet. One of these and a comma can join a dependent clause to an independent clause to make a compound sentence.
A semicolon isn't necessary, for I used a "fanboy" word in this sentence.
by weezil March 31, 2005
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An extreme fan who loves a movie, tv show, a character, a game, etc. This person doesn’t care if what they like sucks. They are usually so toxic towards people who have different opinions of something they like.
by The Open Window Maniac January 18, 2018
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informal derogatory: A term used to describe people who bought a product that competes with the one you bought, which is probably more popular than your choice, for reasons that you wish to discredit or diminish because you’re secretly afraid or upset that you made the wrong choice.

ORIGIN from fan + boy.
You bought a brand new Macbook Pro? Whatever, your a fanboy, I'll stick to my Acer.
by AceHendo April 11, 2011
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An fucking annoying turd that loves something so much he hates everything else. An example of a fanboy would be attacking the comments in a versus video e.g. minecraft
Fanboy: AHAHAHAHA OMG MINECRAFT A SO AWSEM I DIED DI GIT IT HAHAHAHAH I LUVE IT IZ HAZ AWSMZ STAFF!!!
Me: shut the fuck up dumbfuck
Fanboy: AHHAAHAHA NO MINECRAFT IS WAY MORE AWSM THAN RUNESCAPEHAHAH HAHAHAHAHAHAHAH
Me: I don't even play runescape
Fanboy:......
by Psychotic looser February 1, 2015
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