Killjoy

The name of people who are major fans or the band My Chemical Romance.
Killjoys, make some noise! :)
by Killjoy :) June 16, 2011
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Killjoy

A strange phenomenon that occurs when a man sees an opportunity to lecture a woman in his life about why it's wrong to enjoy something she enjoys, whether it be silly laughter he doesn't understand among friends or a dessert or admiring her own beauty in the mirror. He has something negative to say because of his own inner turmoil, but he takes it out on the woman. He needs to feel like he's smarter and misery loves company.
This could also be true coming from a woman, or parent to child, child to parent, friend to friend or anyone to anyone. Sadly, I have had a lot of people try to be killjoys in my life, so I never try to be one toward others.
"Everytime I try to get laid, there is a killjoy."
"Calorie Cops are killjoys."
"Killjoys are sadistic."
"Everybody treats killjoys like crap. That's why they are the way they are."
by MadamexXx February 26, 2009
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Killjoy

Medal for the popular video game Halo 3. The Killjoy medal's purpose is to indicate when a player ends an opponent's spree, any spree of any kind. The symbol for the killjoy is a smilet with the "NO" symbol going through it.
When the medal is achieved, the announcer says "Killjoy"
"KILLJOY!"

Chris000 ended douchykinz's killing spree
by Chris000 January 15, 2008
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Killjoy

Someone who is boring and thinks everything is weird and acts like the teenagers from "Hannah Montana".
Why do killjoys have to be so closed-minded? They need to get a grip!
by iLikeWatermeons33 November 25, 2012
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Killjoy

Someone (usually Michael S.) who enjoys needlessly pointing out logical flaws by responding to internet conversations (that they weren't originally included in) with copious amounts of obscure (or useless/stalkerlike) information
Adam: "yeah, according to this list, the **** champs are ranked 22nd...that can't be right"

Mike: (ignoring **** reference) BLAHBLAHBLAHBLAH I SURF FORUMS ALOT AND LEARN ABOUT OTHER TEAMS THAT I'VE NEVER TALKED TO NOR COMPETED AGAINST BLAHBLAHBLABLAH THIS IS WHY YOU'RE WRONG BLAHBLAHBALHABLAH

A: You're a killjoy.
by Pissedofffacebookguy February 27, 2011
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Buzz Killjoy

A name for people who suck the life out of things with either lame comments, or just their general presence.
I was having fun until Buzz Killjoy over there came over and ruined everything.

Buzz Killjoy ruined my high.
by MaseDiggityDawg March 11, 2010
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The Fabulous Killjoys

Comes from My Chemical Romances album (Danger Days - the true lives of the fabulous killjoys) concept. The killjoys, Party Poison (Gerard Way), Fun Ghoul (Frank Iero), Kobra Kid (Mikey Way) and Jet Star (Ray Toro) are fighting against the evil Better Living Industries in California, 2019. Korse is the bald guy in charge of BLi, with the Draculoids as henchmen. Other killjoy types, such as Dr Death Defying, are in league with Poison and his gang. The music videos for Na Na Na (Na Na Na Na Na Na Na Na Na) and Sing are based on this alternate reality.
I loved the music video for Sing, where The Fabulous Killjoys get murdered by Korse and the Dracs!
by Frankietheninja January 19, 2012
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