Top Definition
Your best friend. His beautiful, shiny exterior is complemented by the drawing of a heart, symbolizing your love for him.
I invited your best friend Companion Cube, but he couldn't come, because you murdered him.

If Companion Cube should speak to you, don't acknowledge his suggestions.

The cake is a lie.
by Steven Willmy October 31, 2007

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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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The eminent center would like to remind you that the companion cube will not threaten to stab you and cannot speak. If you do hear the companion cube speak, ignore what it says as it would sooner destroy itself than be a burden to you.
I fucker the companion cube in the ass
by The Hater of haters December 04, 2014

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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