what you reply to someone in messaging (instant, text, email, etc.) when you do not want to really reply
Joe - "Dude I got tickets for Slayer tomorrow night!!!"
Ronald - "K..."
by Gnashernash April 12, 2009
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McConnell: U mislead ne investors?
Blankfein: Nope.
Mc: k
by LexAveNYC April 25, 2010
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1.stands for 1000
2.shortend way of saying "AK-47"
1. 1000=1k

2. I need that K up front here!
by Minority July 5, 2006
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ketamine- 2-(2-Chlorophenyl)-2-(methylamino)- cyclohexanone.

powered god
its a thin line between genus and insanity and I think I just snorted it.
by Anonymous October 16, 2003
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a word used to say it's okay, when really, it's not.
Jeff: you wanna go out to the movies?
Britney: sure.
Jeff: how 'bout 5?
Britney: k?
Jeff: WHY ARE YOU SO FREAKING MAD?
by January 3, 2018
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K is a word used to ruin all conversations with anybody important your crush your idol etc. When somone uses the term "k" they are clearly uninterested, fed up or sick of the conversation.
"(Long heart felt poem)"
"K"
Or

"I have a secret to tell, I love you"
"K"
by Themildrems November 30, 2014
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A shortened version of the words Okay or Ok. However, sometimes people (mostly of the female gender) find this word offensive.
Girl: Brb shower!
Boy: k
Girl: Fuck you, you heartless bitch.
Boy: ?
by ebolis425 May 15, 2011
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