Definition of "switcher" [switcher]

• A railway locomotive used for shunting; a shunter. (noun)

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• "Still more qualified than ever than sarah palin half term governor making around $100,000/year and then dumping her state and people to go make 12 million last year ... apparently palin an addictive college dropout/switcher is more qualified than a Harvard constituitional law professor, and senator .... and you wonder why Democrats think the average Republican is a Dunce!!!"
• "Any party switcher is automatically suspect, but this guy is trying to out-Specter, Specter."
• "A party switcher is no longer representing the people who voted for him. cecilia lewis"