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A derogatory term used to define:

a Republican who doesn't caucus with the Republicans
a Republican who has some liberal policies
a Republican who hangs out too much with liberals
a Republican who betrays their party to get more votes
a Republican who whores out his beliefs to get elected
Congressman 1: Why is *insert name here* always around those fanatical liberals?
Congressman 2: Because he's a McCainaanite, that's why.
by Hesperuswreck January 18, 2011
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