This is a nickname given to someone who is cynical, hates fun, and hates it when other people have fun. Originally derived from the stereotypical view of an angry grandmother who thinks her grandkids shouldn't be allowed to play and have fun.
by Jackie | Treehorn December 16, 2010
Get the Grandma Kill Joy mug.Peepz who kill the fun by wanting to do something else or calling it a day/night too early (like me).
"Ay I gotta go. I gottta see my friend so...just watch the rest of GLADIATOR without me, aightz?"
"You're such a KILL JOY!"
"You're such a KILL JOY!"
by Joshiro007 February 24, 2003
Get the KILL JOY mug.Related Words
A very attractive young woman who is wanted by many men, whereby the chances of being with said girl are very slim.
That chick is such a killboy...
by 7th Rifter December 29, 2007
Get the killboy mug.Girl: Yesh, finally Full Metal Alchemist. Oh how I've longed for you. *kisses television*
Mom: No FULL METAL ALCHEMIST. Japan is evil.
Girl: Geez Mom, you're such a kill-joy!
Girl: Yesh, No school because of snow!
Weather Man: Looks like school is back in session due to the sudden elevation of tempurature.
Girl: Geez Mr. Meteorologist Man Guy, you're such a kill-joy.
Mom: No FULL METAL ALCHEMIST. Japan is evil.
Girl: Geez Mom, you're such a kill-joy!
Girl: Yesh, No school because of snow!
Weather Man: Looks like school is back in session due to the sudden elevation of tempurature.
Girl: Geez Mr. Meteorologist Man Guy, you're such a kill-joy.
by Buttonsinfallcolours August 9, 2006
Get the kill-joy mug.A masked superhero who prowles the streets of Taunton searching for crime to deminish. Sidekick Spandex Boy Jvstice and Lummox X
by Killboy November 6, 2003
Get the killboy mug.Is that killjoymobile im gonna shit my pants
by Coolkidurmom6666 November 5, 2021
Get the killjoymobile mug.Based on the song "Mr.Roboto" by Styx. Being a Killroy is being a downer, depressing. Taking your friends down with negative attitude.
by AlexGo November 20, 2017
Get the Killroy mug.