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Fit: "2b2t, the oldest anarchy server in Minecraft."
Person 1: "what the fuck is a 2b2t the oldest anarchy server in minecraft
by midfag October 9, 2020
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May 15 - Oldest Sibling Day

I do to much shit for these children so we oldest siblings get a holiday too. Shout out to that one tweet for the idea.
Youngest sibling- "Fuck you."
Oldest Sibling- "that's rude, judging its May 15 - Oldest Sibling Day"
by yourbasicbadbitch May 14, 2020
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toxic oldest sister

When ur older sister becomes an alcoholic/drug addict who is responsible for the collapse of their own social life and cant take care of their own kid because theyre too busy ruining friendships and familial bonds because they block you on social media and dont visit anymore :)
ahahaha my toxic oldest sister blocked my teenage sister on facebook today!
by ch!lly October 7, 2021
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Top five oldest year 7s

Anyone above the age of -6.99
Top five oldest year 7s are very very young
by Aliminatory October 26, 2022
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The Oldest Book in The Tree

By Throbert Buster

Meaning the oldest trick in the book, but amidst a dreary morning, a lazy rising sun, a distinguished gentlemen by the name of Throbert Buster, twixt with his confusion, exclaims, "The Oldest Book in The Tree!"
Thats literally The Oldest Book in The Tree bro.
by Ignacio DriverbeerLluchalatore February 19, 2025
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Oldest Word on UD

The oldest written definition I found on the Urban Dictionary was written by a user named, Yebeka, on December 19, 1999, titled "mah". A word disambiguated from "my".

A way "mah" would be used in a sentence is as follows:

Don't touch mah truck.

If you've also been looking for the oldest definition, I suggest you check out their definitions. Most were written in 1999 despite the oldest thought definition to be "the man" written in 2003
The oldest word on UD is "mah" written by Yebeka in December of 1999
by mfomari March 27, 2025
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