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Forward Looking Infra-Red, glasses for night vision.
Even if you see somebody with flir, it doesn't mean it's him.
by alvaropikolino November 17, 2010
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Yo dawg! Check out da FLIR!

Im bout to bus yo punk ass in da FLIR!

Get dat FLIR ot har ya'll african-american siblings!
by Dawggy December 05, 2003
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