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Term used mostly in the DC area to indicate agreement with something somebody said.
Matt: Trenita, my French class was cancelled this afternoon so I have the afternoon free.

Trenita: I know that's right.
by Mattthewz March 31, 2005
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when you think something is right but you're just not sure enough to disagree
Guy 1: Justin Bieber is a homo.
Guy 2: Iknowthatsright
by Dreem2Reality August 12, 2011
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