Performing sexual favors or acts while in or on a car. Most often used when describing actions taking place on the back seat. Can be used to describe acts by a man or a woman.
"Mark gave Jenny a parkjob in the back of his Toyota."
The style of parking in which you cross in to the oncoming lane of traffic, taking up both lanes in order to park in to an angled space on the opposite side of the street in which you started.
This maneuver was popularized in but not isolated to the suburb Highland Park IL on the North Shore of Chicago.
Did you see that Shiksa steel my space with "The Highland-Park Job"
when your looking for a parking spot, and just when you think you finally found a spot, you find that there was a motorcycle hiding behind other parked cars.
Billy thought he was going to get a good parking spot until he got park jobbed by that damn crotch rocket.