English Reference
Idiom idiom

inside joke


A joke that is understood or meant to be understood only by certain people who are aware of the details (an ingroup).

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

They laughed at an inside joke during dinner.

CONTEXTUAL

I felt a bit left out because my friends kept laughing at an inside joke from their trip.

COMPLEX

The colleagues shared a knowing glance, their amusement sparked by an inside joke that remained entirely opaque to the rest of the room.


Related idioms4entries
  1. 01

    bad joke

    A situation that is badly planned, or illogical.

  2. 02

    half joke

    A statement which contains elements of both jest and seriousness.

  3. 03

    take a joke

    To accept a joke at one's expense.

  4. 04

    the joke is on someone

    Someone is the butt of a joke or is experiencing a negative outcome, especially if that person was trying to make someone else the butt of the joke or subject them to the negative outcome.

Last updated August 10, 2026