1 definition by PandaNoodle

After you screw something up, you magically and conveniently gain a vast amount of knowledge on what you SHOULD have done to avoid screwing up.

Although it generally occurs after you really messed up, it doesn't necessary always happen after such a negative situation.
Girl- "Hey Dave, I just tested positive on that pregnancy test, you dunce."

Dave- "You know, maybe I kind of, should have used a rubber at that party 2 weeks ago.... " <--(Hindsight)

Girl- "Yeah... that probably would have been a very good idea."
by PandaNoodle July 08, 2011

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