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
by AnyaForger May 08, 2022
you wouldn’t understand this its a inside joke
by ffjamew2 October 24, 2022
The thing that Urban Dictionary hates and will not let you publish a definition if it includes an inside joke
by nabrU yranoitciD January 13, 2020
A joke that is a very bad joke to everyone except you and your ex, so you have no one to enjoy it with :(
by •Anony mouse• February 22, 2020
Liberty and I have so many inside jokes including "omg im so popular"i can't keep track of all of them
by Janie(spongebob) March 16, 2019