A word or term submitted by people on Urban Dictionary that usually revolves around a person or thing that very few people other than the submitter actually know about, with said word or term often having a definition that does not accurately or effectively explain what it actually is to people who have never heard of such a thing before
by Unrealistic Trap-like Pervboi February 1, 2018

by seltontrM June 8, 2022

Definition 1: Jokes that are normally only understood by a small group of people who are aware of the meaning behind the joke.
Definition 2: The best kind of fucking jokes that the urban dictionary editors will never fucking publish on this website.
Definition 2: The best kind of fucking jokes that the urban dictionary editors will never fucking publish on this website.
Person 1: I like caves
Person 2: hahahahahaha that's fucking hilarious
Person 2: I don't get it...
Person 1: It is an inside joke mate
Person 2: hahahahahaha that's fucking hilarious
Person 2: I don't get it...
Person 1: It is an inside joke mate
by thebigpenis42069 January 31, 2017

i dont know if this us an inside joke
by Apaoapaeowiskwiaow. February 21, 2022

(Kyle) Hah, like Ankle Phone!
(Jocelyn) Yeah!
(James) What?
(Kyle) It's an inside joke, we saw it on an ad where a guy had a phone on his ankle.
(James) Oh. Thats not funny.
(Jo&K) Fuck you
(Jocelyn) Yeah!
(James) What?
(Kyle) It's an inside joke, we saw it on an ad where a guy had a phone on his ankle.
(James) Oh. Thats not funny.
(Jo&K) Fuck you
by 16bitten June 26, 2023

A joke that a group of a minimum of 2 people understand. And only them, although Urban Dictionary doesn't like them.
by • Itz Lollipopz • May 20, 2021

a joke made by 2 or more people that only that group understands! even if you explain it to other people they might not find it as amusing as you would.
Person 1: "ahaha horsepower"
Person 2: "what??"
*inside joke is explained*
Person 2: I don't get it
Person 1: it's an inside joke
Person 2: "what??"
*inside joke is explained*
Person 2: I don't get it
Person 1: it's an inside joke
by imBDS December 20, 2019
