A Mainer term used for those with extremely low intelligence normally classified as retarded.
Tim crawled into the oven today, what a jarr
by Jarr-slave March 20, 2009

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Top Definition
gang that reps Jaycox and River Run and many other Avon locations
Today JARR went and shot up the Lucarrilli household
by popcornfacebrandon July 15, 2009

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