Simply put, an inside joke with yourself. If you have to many of these, it is no longer a joke, its a mental condition.
Me: I was just climbing the tree and...

Classmate: HAHAHAHA!!!!!!

Me: Uhhh, dude, I haven't even got to the marginally funny part. What's the big deal?

Classmate: Oh nothing, just thought of something.

Me: Care to share?

Classmate: No not really, just an inside inside joke.

Me: I'm just going to move on then. So i was climbing the tree...

Classmate:HAHAHAHAHA!!!!!!!

Me: Sigh.
by Ev003 October 10, 2011
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a joke in which one and only one person understands
hey, remember the time with my parrot and the black 8 ball
dude what are you talking about
oh nvm you wernt there, super inside joke
by keech July 9, 2007
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Literal meaning, a lame inside joke. Urban Dictionary strongly advises you report all inside jokes because the admins don't understand and feel left out. P.S. /shrug please don't get mad admins.
#1
Dave: Hey rollarcosterfucktraindickfart! Ha! Remember when that happened?!
John: Ha yeah, fuckin A mate that was funny
Urban Dictionary: I don't get it
*deleted*

#2
Lame Inside Joke Post: ... AND THEN HE SAID, SICKLEBACK MY TERRY FLAP!
Common Internet Bystander: Oh gosh darnit! Another Lame Inside Joke! When will people learn!
*reported*
>deleted
by LordRighteousness September 4, 2017
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We'll reject inside jokes is another one of the main Rules that is not followed and ignored by the users and editors of this webshite.
Urban Dictionary: Don't name your friends. We'll reject inside jokes and definitions naming non-celebrities.
by LMAO_Trooper February 23, 2021
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Inside-jokes are typically lame and generally unfunny to everyone but the few who understand them; culture inside-jokes are likewise invariably stupid yet accepted by most in a given culture as excellent.

Cultural inside-jokes need not be about comedy! Anything and anyone can be a cultural inside-joke. The only requirement is that the appreciation for the thing or person extends far beyond reasonableness and clearly reflects the sentimentality and bias of a given culture.
If you want to see an excellent example of a cultural inside-joke, just head down to a Modern Art Museum!
by The Mind Surgeon August 9, 2011
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When you turn your hands into a claw like shape point your finger tips at each other and move them in a way as if your solving a rubrics cube then simultaneously making a deep sound similar to that of a whale making sweat love to a cow. Going a little something like this " Whab, whab, whab" This gesture can be used in many situations such as explaining lesbian sex to a young child teaching and telling your fiends this is what you did his/hers mom last night. The goal of this gesture is to instill fear and confusion.
Jack : "what the hell are you doing"
Tom : "Its what i did to your mother last night( while making "The worst inside joke (hand gesture)" ) "
by Dr.superfly January 3, 2010
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Reject this, I dare you.
I tried to add you to Urban Dictionary, but they reject inside jokes and definitions naming non-celebrities.
by Flammable Duck October 30, 2020
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