Killjoy

1)someone who doesn't want others to enjoy something because it is in his/her taste.

2) someone who doesn't like happiness, laughter or fun especially when the person is not involved/invited and comes in to ruin it.

1) James is always coming in and cutting off the game because he sucks at it, he is such a killjoy.

2) Whenever we are laughing, joking or playing a fun game, it bugs jim's father so much that he runs downstairs and ruins it for us. tsk, tsk...such a killjoy.

by COOLMASTER X October 15, 2009

Doctor Killjoy

Sometimes abbreviated as "Dr. Killjoy." Coined by N.E.R.D in the song "Anti Matter." A Doctor Killjoy is someone who makes it their business to ruin, take large dumps on, and/or "shoot up" your party or the party you are attending.

Person 1: Haha, I just pooped on your carpet, man!
Person 2: Why you doctor Killjoy, shooting up the party?

by Achilles015 June 6, 2009

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 April 30, 2005

Killjoy

One who kills fun and/ or joy and happiness.

Also see party pooper

Dude!! I was about to get laid, but then my dad walked in and freaked out. He's such a killjoy.

by Senor Anon May 6, 2008

kilroy was here

looking up at your lady friend whilst engaged in oral intercourse on her, when she can only see your eyes and nose.

hey, last night I did the 'Kilroy Was Here' on Betty!

by marcello010101 May 15, 2008