Top Definition
An imaginary drug one accuses another of having taken to explain their excessive stupidity.
I can't believe you were so drunk, that you got naked at the company Christmas party! Have you upped your dose of imbecillin?
by Michaeladt January 09, 2009

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

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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