look up any word, like wcw:
 
2.
Words or phrases that one would use to "kill" a conversation. Usually with someone you really wouldn't rather be talking to. These words or phrases usually consists of one-worded anwsers and are usually in the most simplistic form.
Josie: "So how was your day today? Mine was pretty good."

Butch: "Fine"

Butch's Friend: "Wow Butch, why the conversation killer with Josie?"
by Budboyy2k April 28, 2007
 
1.
A line or phrase that is either purposely used to end a conversation with someone as soon as possible, or a comment that unwittingly ends a conversation.
Tony: Ey man, whats up!
Simon: Nothing.
Tony: What you been up to today?
Simon: Not much.
Tony: Such a conversation killer...

or

Joe: The new CD is so good!
Mark: Yeah, tell me about, it's great!
Lisa: I totally agree with you guys.
Tim: I bought a new shirt today!
Joe: ...
Mark: ...
Lisa: Nice conversation killer!
by cocosforreals July 10, 2008
 
3.
Words or phrases that one would use to "kill" a conversation. Usually with someone you really wouldn't rather be talking to or maybe even someone you do? The other person is busy doing something else or just doesnt wanna talk to you.
"lol"
"wow wait a go and kill the conversation, you are a real conversation killer"

"ha"
"would you like some fries with that converstation killer?"

"lol"
"aha"
"ha"
conversations dead ^
by lisha <3 March 15, 2011
 
4.
Usually while texting, someone who uses one word responses where there is no practical, normal way to save the conversation and both parties stop talking
"So how was the game?" "Fine" "well you're a conversation-killer."
by thatonechik September 11, 2013
 
5.
A Conversation Killer is a person who starts a conversation knowing full well that it is going absolutley no where!! (they will always deny killing the conversation)
<Mr L> hey
<Miss J> hello
<Mr L> so....
<Miss J> ur such a conversation killer
<Mr L> i so did not!!
by Miss JE October 29, 2006