Top Definition
1. An incredibly terrible clan called the International Society of Maniacal Killerz that once existed and flopped within days after achieving about three members.

2. Any clan that seems to have no purpose or is very bad at any game.
That clan is so ismk, they've lost every match!
by Ray April 10, 2004

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a stupid guy most likely from the united kingdom who makes generalizations about people based on nationality.
THOSE DUMB MERICAN HAMBURGA MUNCHA"S EATIN UP THE GREASE AND SHEWTIN AT MEH
^posted by ismk
by thegarbear14 May 05, 2011

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The Urban Dictionary Mug

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Soft and offensive. Just like you.

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1. see ismk.net

2. Used to be a clan, now a symbol of how the internet is ruined.
You =ISMK= clan think yo so hot, but really you're not!
by Tim April 19, 2004

The Urban Dictionary Mug

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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).

Buy the t-shirt
It's ok. From mk being 'ok' on the tv show South Park.
Person 1. Thanks 4 that.
Person 2. Ismk
by Bridgg May 01, 2007

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