Top Definition
The smallest know unit of measure.
Originated in the manufacturing industry to describe parts made to a very fine tolerance.
"Sorry it took so long to make this batch of parts, but I can assure you they're all accurate to the snail's pube."
"This part just won't quite fit. It's only off by a snail's pube!"
by Brazillian Snail December 06, 2011

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