oncer

/หˆwสŒnsษ™/

IPA: /W AH1 N S ER0/

noun
  1. 1

    A one-pound note.

  2. 2

    A person who does something once.

  3. 3

    A single sexual encounter between two individuals, a one-night stand.

  4. 4

    A person with whom one shares a single sexual encounter, a one-night stand.

Source: https://en.wiktionary.org/wiki/oncer