What is the meaning of the German word furor?

You probably mean "Führer". It means "leader".

=====================================

Or most likely, you mean the Word Furore which translates as furore, meaning an outbreak of public anger or excitement; a sensation, noise, commotion, e.g.

Der Künstler hat Furore gemacht - the artist caused a sensation;

Was ist die Furore hier? - What's the noise/commotion about?