isn’t 

Contraction for “is not”

He isn’t here today.

isn’t by bluestinger66 October 20, 2022

Isn't

A slang term for the perineum.

Whilst in the heat of passion you may ask your partner to lick your isn't.

What is your isn't? She asks

It's that bit which isn't my arse, and isn't my balls you may reply!!!

Isn't by blackninja980 October 4, 2007

Isn't

Isn't does not exist, my the words of English teacher Đilfa

-Isn't that great Mrs. Đilda?
- It is not isn't it's "it's not", here's a F

Isn't by JelenaK May 2, 2018

isn't defined yet 

A message that appears when you search UrbanDictionary for something that is non-existent/undefined. Occasionally after reading this message follows a sense of disappointment.

"Isn't defined yet" isn't defined yet. I guess I'll write up a definition.

isn't defined yet by _pryat January 29, 2009

Isn't It Iron Pick

Isn't It Iron Pick, is likely referring to the minecraft advancement.

The advancement itself is a reference to the well-known pop song "Ironic" by Alanis Morissette.
The lyrics are as follows; "And isn't it ironic? Don't you think".

The advancement in and of itself is also a pun on the word "ironic".

"Isn't It Iron Pick: Upgrade your pickaxe"

Isn't It Iron Pick by Psypixel March 6, 2022

isn’t it just 

Used to strongly agree with what someone has said about something or someone.

Heather - This is so expensive!
Veronica - Isn’t it just!

isn’t it just by Chinky Chonky April 28, 2019

Isn't it 

A simple expression standing for "Is it not?" Most commonly used back in 2012, it still carries on today and could be considered a slang word.

It's a lovely day, isn't it?
Isn't it a great day to go outside?!
Is it not could be said as isn't it, isn't it?

Isn't it by FireController#1847 June 4, 2016