Top Definition
In the realm of hard rock and heavy metal music, to be Obsidian, a band must straddle the line between rock and metal, while having psychedelic, occult, & doom elements.
Uncle Acid and The Deadbeats, Jex Thoth, and Blood Ceremony have all, at one point, been Obsidian.
by Xenos Nassar August 06, 2012

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Black, hard, heavy, unnatural almost-metallic material. Something much similar to hardened lava.
obsidian chalices, other such things. 'Obsidian tides will be natures bane.'
by Quilly February 06, 2005

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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

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cool or something remotely different, extreme awsomeness.
different. Dark.
this butterfly is so obsidian
by banana brains March 11, 2008

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

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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Dark Warrior, main character of the Soul Chronicles. Copyrighted.
Obsidian rebels against Mot Gmohk but retains his darkness.
by Raine December 06, 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.

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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).

Buy the t-shirt