Top Definition
A modern insult derived from the commonly used Silly Goose.
When someone does something particulary strange yet funny you call them this.
Little Timmy is dancing around with a diaper on his head.

Suzie: Oh Timmy, you are SUCH a silly moose!
by SilverSky August 06, 2008

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Originated from an apocalyptic cult. Slang term used for a viking warrior god with a coffee addiction.
But we're here to bring about the apocalypse silly moose.
by damn tasche and cheeky prophet August 18, 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
n. A sillymoose is cute, incredibly adorable, and quite possibly the best thing that can ever happen to you.
Wow, she bangin, she your sillymoose?
by misterrrpickles:D November 08, 2010

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