Top Definition
1. A psychodelic experience caused by your body metabolizing LSD stored in the fat of your body after LSD usage in the past.

2. Jerry Garcia's revenge
Dude, is your face really that ugly, or is this another acid flashback?
by Biff Skippy February 07, 2010

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The Urban Dictionary Mug

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

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

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