Top Definition
A person whom instantly shuts down any party or the attempt thereof. A true Katten may also strictly oppose, prevent, or shut down any other fun activity.
Bjarne: Are you up for a party tonight?
Espen Reidar: Sure, as long as Katten doesn't show up and ruin the party.

Bjarne: This party is the greatest.
Espen Reidar: Wtf, Katten just arrived and killed our party.
by Notakatten August 31, 2016

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A cat that is fully grown and still looks like a Kitten.
"dude look at that Katten its like six and still looks like a kitten!
by kate neeley March 10, 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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A Baby Cat.
"Woah Look At the Size Of That Katten!"
".. Dont you Mean Kitten?"
"No. Katten..."
by No-one Really March 08, 2009

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt