one who is not fidel castro; one who opposes communism, or is not communist
My brother is an infidel castro. Is yours?
by Anonymous May 10, 2003
Infidel Castro is how Osama and his crowd refer to Fidel Castro (who is not a muslim).
Osama sez: "Infidel Castro should convert to islam or die!"
by mcdv1975 July 15, 2008