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Quite possibly the most abused idiom over the internet among people who think they're clever and better than everyone else. Also used to emphasize a point to the nth degree without any logical sense.
Cool guy: In all honesty, you only won because I lagged.

Other guy: You said "in all honesty!" You must be telling the truth! You're right, no, no, you're better than me.
by Palbo February 21, 2007
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