Quote Originally Posted by Louis IV the Fat
So what does 'Nancy' mean in English then?

Isn't it a perfectly normal name, like Nancy Reagan?
I believe it refers to something like "gay" or "efeminate" or something like that... (there also was a joke about it in 'Allo 'Allo, when Rene tells Lieutenant Gruber that he and his brother were both "Nancy boys") But I wasn't there, so I couldn't point out the exact reason for the hilarity.