1 definition by eyesonthestreet

Top Definition
A registered republican voter in the United States who has decided to cross over to the other party, the Democratic party, during the primary voting season of 2008 and vote for Democratic candidate Barack Obama for President of the United States.
"Eisenhower is one of a small but symbolically powerful group of what Obama recently called "Obamacans"—disaffected Republicans who have drifted away from their party just as Eisenhower Democrats did and, more recently, Reagan Democrats in the 1980s."

- Newweek magazine By Richard Wolffe | Newsweek Web Exclusive, Feb 1, 2008
by eyesonthestreet February 02, 2008
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