A game you play with a joint or any other marijuana smoking device.
You take a hit and pass it to the next person who does the same, you have to hold in the smoke until the joint gets back to you.
This gets harder if there are more people in the circle
A variation is progressive Killer this is when you increase the amount of hits each time the J goes round the circle
"Yo Niall, rich you up for killer?"
"progressive or normal?"
"progressive man, were hardcore!"
by Chris April 28, 2006
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When a planned event/action/food/etc has a predetermined level of awesomeness which it is expected to reach. If said event/etc reaches this level it is considered to be killer. Surpassing is preferred.
ok so youre going to see a movie right? and you think its going to be really good, and then when you see it it was totally rad.

therefore it was killer.

"this weed is killer"
by Madaju December 2, 2007
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The most common username in online games (especially FPS), used by n00bs who think they're being really cool and original.

These people will most likely be nerds.

Many variations of this name are also commonly used, such as "killa", "killah" etc.
<killer> WtF tHaT kIlL wAs TeH pWn4gE
<killa> wtf lyk omg lyk stfu lyk n00b
<killah> Omfg what is up with you gays stealing my name?
<kill0r> OMG STOP NAME STEALING N00BS GFY
<confused> wtf???
by sn!pershot August 11, 2005
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1.one who takes a life away

2.one who ruins an amusing moment

3.a lamer version of something
1.gangsters,assassins is a killer

2.joe-...while she chokes,it squirts out her nose!(everyone laughs)
jeff-YAH i wanna see that happen, itll be sooo cool.(everyone frowns and walks away)that guy is the killer

3.ipod>zune nuff said
by DaPhenomousVirgo October 28, 2008
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A person who kills the flow or vibe of a moment or just messes up the situation by coming in when not wanted or when they say or do something that is unexpected and interrupts the current trend of the moment...usually irritating the people or environment around them.
"This fool killed it by coming to the party."

"I was on the last level of super mario bros and my cousin killed it by stepping on the f'n cable."

"Edgar's new name is killer, because everytime we go out with the ladies this fool has to kill it and scare them away."
by Edgar E October 21, 2007
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An incredibly talented band from the heart of Las Vegas. Perhaps THE greatest band this world has ever heard. Their first album, "Hot Fuss", took the world by storm. "Hot Fuss" can be best compared to 80's glam rock and is comprised of eleven upbeat tracks that will both inspire you and make you want to hit the dance floor. The Killers sophomore album, "Sam's Town", which everyone thought would become a "sophomore slump" like so many other artists second albums become, is in fact, the opposite. "Sam's Town" is quite possibly the best album ever created. Focusing on an "Americana" theme and named after an old run down casino in Las Vegas where bassist Mark Stoermer used to go bowling, "Sams Town" stands for everything America used to be, everything great that was and is no more, and everything it can be. It's filled with tracks that will build you up, take you down, and then build you up again. It will make you laugh and make you cry. With vocals reaching perfection by front man Brandon Flowers, this album is amazing. Ignorant people who bash The Killers have no taste in music and do not want to accept the fact that The Killers ARE and WILL CONTINUE to grow as THE BEST BAND IN THE WORLD.
Hi, The Killers are amazing.
Yeah, I'm having them.
by Candfitz November 8, 2007
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