Top Definition
A mouse that you haven't given a name to yet.
A: Here's my pet mouse.
B: Aww, cute. What's its name?
A: Dunno yet.
B: Ah, an anonymouse.
by Tim XYZ November 09, 2003

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An anonymous being of the rodent persuasion.
"There's an anonymouse behind my dresser"
"Are you sure?"
by Kenthar November 09, 2003

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The Urban Dictionary Mug

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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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a word substition for anonymous because uneducated asses can't spell it right.
When u votehd for mee as teh uglyest persun in da clazz, whyy did yew check teh b0x taht saiz anonymouse?
by britt November 10, 2003

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.

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The Urban Dictionary Mug

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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 mouse on a public computer. Wash your hands.
Doctor: "You seem to have diarrhea."
Patient: "Damn, must have been the anonymouse."
by diatrevolo November 09, 2003

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).

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Mice that live under cupboards and in the walls because they don't want anyone to know who they are. wait, don't all mice do that?
Antonym- Micky Mouse
by Domenique November 10, 2003

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