From the Wikipedia article

The ducktail is a men's haircut style popular during the 1950s. It is also called the duck's tail, duck's ass, duck's arse, or simply D.A. and is also described as slicked back hair. The hair is pomaded (greased), combed back around the sides, and parted centrally down the back of the head.

Ducktail
Photo: Charlesfrederickworth, CC BY-SA 3.0 via Wikimedia Commons

Text from Wikipedia, licensed CC BY-SA 4.0, taken from the style's article on Wikipedia.

Source

  • Source: Wikipedia, 'List of hairstyles' (en.wikipedia.org, CC BY-SA 4.0) + each linked article's lead summary via the Wikimedia REST API; image files from Wikimedia Commons with their own licence per file
  • List row: 15 of 99, from List of hairstyles (list revision 1376698486, fetched 2026-10-02T20:43:21Z).
  • Article: Ducktail
  • Text licence: CC BY-SA 4.0; adapted text stays under the same licence.
  • Photograph: Ducktail.jpg file page, CC BY-SA 3.0.

Words of quoted Wikipedia text on this page: 153.