Means high quality, litarly
blue ribbon. A possible explanation of the
orgin of the words meaning is that at competions in France the winner would get a blue ribbon, hence blue ribbon became to be associatied with the best.
Marcus: Last month I went to a nice little bistroesque restaurant on the
hilltop overlooking the city, had an exquisite Buridda (Italian dish from
Liguria), accompanied with an equally fine wine and a fabulous date.
Jacques: So, in other words a dinner
cordon bleuMarcus: Pretty much