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The smallest possible form of a penis. Defined by scientists to be the smallest form of measurement. Inspired by Dannys extremely small package, this is used commonly to describe what the limits of measurement is. It is beyond microscopic and is the final form of measuring tiny objects.

This Measurement is about one Quintilian of a picometer.
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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