Derived from "wingman", a wing roadie is a driver in a caravan of cars that helps out their fellow caravan drivers by blocking traffic to help them switch lanes, get around slow drivers and stay together.
Jen: "Hey Jess, that was awesome when you cut that guy off to let me in. I would have been waiting forever!"

Jess: "That's what a wing roadie is for, man!"
by Angel21619 September 7, 2010
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