No, it does not.. so look up also "egghead."<quoted text>
No, it's positive in a way, Mr Giscard d'Estaing was bright, he succeed in making the French proudly swallow the twice yearly hour gap with a mediatic campain boasting the french ego with such advertising slogan: "France has no oil, She has ideas !",Doesn't that demonstrate that Mr Giscard d'Estaing was really an egghead ?
Idioms in English, especially those in American use, are difficult to learn.
For example, "I was country when country wasn't cool."