overdresser

plural overdressers

1. One who overdresses.

   Good to see that portraying the French as poncey overdressers delights a 21st-century audience as much as it must have done the Elizabethan groundlings.

   2006, Theatre Record, page 942

   2 more examples

   Young men generally have a horror of girls who make them conspicuous, who are flamboyant about cosmetics, who are poseurs, overdressers, who, when asked to a beer party, insist on milk or a highball[…]

   1939, Ladies' Home Journal, volume 56, page 65

   An obsessive overdresser, I was often observed even on summer days wearing a flannel shirt, woolen coat, suit, and atrocious-looking shoes made in Russia.

   2004, David Ohle, The Age of Sinatra, page 106