1950s Edwardian (not the sparkly vamp) style worn by young affluent men that featured, tapered trousers, long jackets and fancy waist coats. They were the dandiest of dandylions. His Cosh to her Posh. Which later recycled itself to become the new phase of the Rockabilly.
May we present to you...madam pessimist. Always has a negative comment, negative outlook on life and low self-esteem. The kind of person you don't want in your friendship circle or sadly as a co-worker.