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 April 30, 2003
4 more definitions
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 04, 2008
Some one who is an extreme supporter of John McCain
That guy is a McCainiac!
by Zack2010 November 06, 2008
When one goes crazy and becomes a maniac for presidental nominee John McCain.
"Oh my god! Its john McCain! I'm such a McCain-iac!"
by Bella Kripton March 09, 2009
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 January 31, 2008