A unit of length as measured by balls so droopy that if the owner sat on a toilet (also known as a Jon), they touch the toilet water.
Ms. X: How much of this fruit-by-the-foot do you want?
Ms. Y: About a Jon's balls worth.
Ms. X: Wow, that much?
Ms. Y: Yeah, I'm pretty hungry.
by kgb123 September 01, 2013

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