in-joke

US /ˈɪn.dʒoʊk/
UK /ˈɪn.dʒoʊk/
"in-joke" picture
1.

jenaka dalaman, jenaka peribadi

a joke that is understood only by a small group of people who are familiar with a particular subject or situation

:
Their conversation was full of in-jokes that I didn't understand.
Perbualan mereka penuh dengan jenaka dalaman yang saya tidak faham.
You had to be there to get the in-joke.
Anda perlu berada di sana untuk memahami jenaka dalaman itu.