Top Definition
The thing that is to Major Tom.
Ground control to Major Tom.
by cunt roll April 01, 2005

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A slang term used in the drug world meaning the sober person that looks out for the other person who's under the effects of LSD, mushrooms or other hallucinogenic drugs.
You bet I'm gonna try some acid, wanna be my ground control?
by Héctor Andrés Mayoral May 04, 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.

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