1 definition by Rajew

A unit of length. 1 gregg = 1.35 inches. Can be used as a conversion factor between the Metric system and the Foot/Pound system. Based upon the penial length of a mythological man named Gregg/Garry. Used in scientific studies as well as daily life.
Dude, your car is going to get a ticket since it is 7 greggs away from the curb!
by Rajew February 13, 2010
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