From the Urban Dictionary: "1920s Lingo describing someone (something) who is great, incredible or special. Usually indicating stylishness or innovation. Pajamas were a relatively new fashion in the 1920s. The term "cat" was beginning to be used as a term to describe the out going and unconventional jazz-age flappers."
Here you'll find what to wear, where to get it, and what was going on in the 1920's. I hope it inspires your costume creation for my birthday party in November. Have fun! ~eileen