1 definition by Chrissy12321

Top Definition
refers to the left arm being tanner (or redder) than the right arm because it's been hanging out the window
dude1: hey man i took a trip to LA last weekend...
dude2: yea man i know... you've got major driver's arm!
by Chrissy12321 June 04, 2006
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Buy a driver's arm mug!