maddog

noun3

1. •
   A rabid dog

   • Sam Bluegum was bitten by a maddog some days ago. — 1914
2. •
   A ferocious fanatic

   • For Unionism is Americanism ; it is the voice of America's millions of workers who showed the maddogs of the axis that the freedom of man is strong, powerful, and will never perish from the earth. — 1949
3. •
   Alternative form of mad dog.