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The recounting of the intentional issuance of a false statement, with who's goal is to deceive and buy time, that are made the day (or more) prior.
Person 1: I told her that would call her today to set something up for the weekend.

Person 2: So did you call her?

Person 1: Of course not - that was just my YesterLie.
by The Ivory Tripod July 19, 2010