roid-ing out 

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

roid-ing out by Triviking101 January 17, 2016

roiding out 

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?

roiding out by geniusH August 6, 2006