Top definition
A person who kills the chat atmosphere by saying something out of the subject, or something boring and/or obvious about the subject.

Verb: To subject kill
Person A: Hey, have you heard they're openening the new club down the road?
Person B: Yeah, i'm going on the day it opens!
Subject barbarian: I heard they serve drinks...
Person A: ...
Person B: ......
by Conn1496 July 09, 2010
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