McCainiac

plural McCainiacs

1. USinformalgovernmentAn ardent follower or supporter of John McCain in his campaigns for the presidency in 2000 and 2008.

   And, as Bush learned painfully, there are plenty of McCainiacs in pivotal Michigan.

   2000 March 2, “After Primaries, Focus Turns to the Vice Presidential Slot”, in Philadelphia Inquirer, page A1

   1 more example

   The McCainiacs are warning John McCain's conservative opponents that unless they stop criticizing their candidate immediately, he'll never recover in time for the general election.

   2008 February 18, David Limbaugh, “Grassroots hurdle?”, in Washington Times