adultflappercostume.net Get a sexy adult flapper costume for Halloween or any of your theme party. Get back to the Roaring twenties with these hot styles. You may also want to pair one of these with an adult gangster costume so you stay on the 1920′s topic as a couple. These are great adult Halloween costumes, very vlassy and sexy too. You may also want to add the flapper accessories to the flapper dress boa, feather headband (which is often included) and cigarette holder. Happy Halloween with Adult Flapper Costume!