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

Killjoy

An idiot or someone so stupid they can't open a door.

Killjoy, you're suck a fucking retard... use google if you can't find the game.

by †wiligh† November 1, 2007

killjoy

Only emos that wear colors.

Im emo but in Gerard Way.And its 2017.Say a word and Im gonna shot you with my killjoy-dangerous-watergun.

by Ivexsis August 28, 2017

killjoy

a person who takes the fun out of things for other people

You killjoys need to loosen up. I want you to have some fun this time.

by Light Joker May 18, 2005

killjoy

Someone who wants to ruin someone elses fun.

The killjoy tattled to the apartment manager, after he saw Mike enter his apartment with a gorgeous woman at midnight.

by Ronald Clifford Buckman August 9, 2003

killjoy

A person who deprives everyone of their joy in the moment, sometimes resulting in silence.

When Bob walked in, and then everybody's expression changed and everyone stopped talking, Bob is a real killjoy

by Chieftawsmcool January 18, 2011

killjoy

someone who kills joy.

isn't that obvious.

by calV May 1, 2005