1 definition by windab

A unit of measurement equivalent to 10 SAE inches.

Dude I measured my cock today... im pushing about .6 Jas's

Nice man, thats pretty impressive.

I know.. I wish I could be a FULL jas though...

There only one known case of a dick thats a full Jas in length. Dont feel bad.

by windab August 13, 2009

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