Devoted supporter or fan of Sen. John McCain of (R-Arizona), esp. those who backed him during 2000 presidential bid
Bush had the money, the power, and the women, but no one could doubt the
by Anonymous May 1, 2003
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Some one who is an extreme supporter of John McCain
That guy is a McCainiac!
by Zack2010 November 6, 2008
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One who is obsessed with John McCainm aka a huge douchebag.
That kid who drives a hummer is such a mccainiac
by Nick Herdman November 5, 2008
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A chest-thumping, brown-person-hating warmonger who wants an ever expanding American empire.
McCainiacs think that Muslims attack us because we are supposedly free.
by John Delano February 1, 2008
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