cottontails

noun
  1. 1

    A rabbit of any of various species in genus Sylvilagus.

  2. 2

    (nudism) A person with a tanned body and untanned buttocks, resembling a cottontail rabbit's dark fur and light tail.

Source: https://en.wiktionary.org/wiki/cottontail, https://en.wiktionary.org/wiki/cottontails