somebody who's so fat he probably eats every breakfats cerial on the market.
This guy's so fat, he must be a cerial killer.
by erik April 19, 2004

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Top Definition
The person who is wanted for the murder of such people as Tony the Tiger and the Trix rabbit.
I know there is a cerial killer on the lose when i see a leperachan drowned to death in milk and is imprisoned in melted marshmelllow! beware all iconic cerial mascots! you may be next!
by oh noez!!!!!!! September 17, 2007

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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

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Eric Brent Keys
He lives off of cerial and likes it!
by shena June 16, 2004

The Urban Dictionary Mug

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Lotsa space for your liquids.

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The Urban Dictionary Mug

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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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someone killing people while the killed one is eating
-grwns, gwsrfewrfds OH NO A CERIAL KILLER AAAAAAAAAHH!!!
by erik June 27, 2004

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.

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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.

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