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a George W. Bush-ism used to make him sound like he has a somewhat average intellect. Can be used at the end of any sentence, especially when one is at the tail end of a coke binge.
George Dubya: Fool me twice, and once on shame. Fool me again, and...twice in once!

Petunia: He can get it...twice in once.
by tatertwat May 02, 2011