Dundreary

noun3

1. •
   [before a noun] Any type of fashion, hairstyles etc. associated with the foppish Lord Dundreary in Taylor's Our American Cousin.

   • The shop windows were filled with Dundreary scarves, and Brother Sam scarves, and there were Dundreary collars and Dundreary shirts, and Dundrearyisms were on every lip. — 1917
2. •
   [in the plural] Long, bushy sideburns.
3. •
   (no longer used) A person reminiscent of Lord Dundreary; a fop, a dandy.