Reversing all of one's previous political positions in a last-ditch effort to be nominated for President by a major political party.

Usually happens to a once-principled Republican who sells his or her soul to the fringe right to survive the primary process at the end of his or her career.
Romney really pulled a McCain Shuffle--first he was for an individual mandate, then abandoned RomneyCare when it looked like it might hurt his candidacy.
by DaemonXar June 14, 2011
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