Top Definition
noun: 1. a term used to describe ones toolbox after multiple jelqing sessions. 2. An object or thing that has a larger circumference than length.
After 40 strokes of jelqing per day, Sob's girth increased from 3" to 6".

After taking some megapump5000 girthexplodetron powder, Alex's biceps became massive girthzillas.
by akmoneyy August 09, 2009

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