private joke

Etymology
.

Noun

 * a, an in-joke: a piece of humour understood only by a group of people
 * 1) * 2003, Justine Malle (translator), Greil Marcus (author), Dead Elvis: Chronique d’une obsession culturelle, Éditions Allia, ISBN 9782844851208, page 35; original English from Greil Marcus, Dead Elvis: A Chronicle of a Cultural Obsession, Harvard University Press (1999), ISBN 978-0-674-19422-9, page 22:
 * "fr"
 * "fr"

- Il faut y voir plus qu’une private joke de la part de Cohn.



Usage notes

 * This expression, being a loan-phrase, is frequently written in italics.