1. The sound of a Sand Creature (Opi) on Family Guy's Blue Harvest version of Star Wars.

2. The sound high people make when the hear and/or find something amazing.
1. jdork: "There's a roach in the ashtray, WaLOO"
by jdork92 August 13, 2010

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Top Definition
1. The predecessor of the Otter Dance.
2. An expression of joyful emotions.
3. The native sound of the Sobel habitat.
"Well I say governor, WALOO!!!"
by gamerdank420 September 15, 2008

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.

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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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zero, nothing
1. to make a bid of zero, waloo
2. to bid zero, and take zero, waloo
3. a card game
by California big Mike December 28, 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

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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.

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