The main psychoactive substance found in the Cannabis plant.(Delta-9-tetrahydrocannabinol; marijuana
Sheeeeit man, this Delta-9 has got me high as a motherfucker!
by Herschaft November 14, 2006

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Top Definition
aka THC, the active ingredient in marijuana
I smoked a joint last night, but I still got that Delta-9 in my system!
by smokeweederryday December 21, 2008

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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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WEED. From the compund found in Marijuana: Delta 9 Tetrahydroch....Something or other.
"Let's get some Delta 9 up in this muh-fucka."
by Diego July 18, 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