Top Definition
The act of taking anabolic steroids for performance enhancement. Usually abused by meatheads and BDAs alike. Side effects include back zits, temper tantrums and shrinkage.
That BDA is definately roiding out. Did you see the size of his arms?
by geniusH August 05, 2006

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taking large quantities of steroids or any other muscle enhancements that majorly increases your size
roid-ing out :stop roiding out it makes your dick small
by Triviking101 January 17, 2016

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.

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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