originally created by Tabi Bonney, a washington dc area hip hop artist. "Put me in the pocket.. thats when somebody excites you, know what im sayin, you see a girl thats tight or somethin.. she put you in the pocket", Tabi. So when you see somethin you like, it puts you in the pocket..
To have made a massive, catastrophic blunder. An extension of the more common "screwed the pooch," which adds a more severe consequence to the metaphorical action.
Since invading Iraq, President Bush and his advisors have really screwed the pooch and knocked it up.