English word McCainiac comes from English maniac, English McCain (A surname of Scottish Gaelic or Irish origin.)
| Dictionary entry | Language | Definition |
|---|---|---|
| maniac | English (eng) | A fanatic, a person with an obsession.. An insane person, especially one who suffers from a mania. |
| McCain | English (eng) | A surname of Scottish Gaelic or Irish origin. |
| McCainiac | English (eng) | (US, politics, informal, neologism) An ardent follower or supporter of John McCain in his campaigns for the presidency in 2000 and 2008. |