An accomplice or accessory to an act.

A reference to A.C. Cowlings driving O.J. Simpson on a nationally televised slow-speed freeway chase after the murders of Nicole Brown Simpson and Ron Goldman.
"Did you get your little brother drunk at that underage party?"

"Naw, but I guess I was driving the Bronco since I told him about it."
by Hugh Johnson August 30, 2005
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